815 Area Code in Illinois, United States

Description

Area code 815 is one of the original area codes from 1947 and serves northern Illinois outside of Chicago, including cities like Rockford, Joliet, Crystal Lake, and Ottawa. Over time, population growth led to the introduction of overlay code 779 in 2007, and ten-digit dialing is now mandatory in the region. The 815 area blends suburban sprawl with agricultural communities, and is home to many manufacturing and logistics businesses. The region also serves as a transition zone between Chicago’s outer suburbs and rural Illinois. Despite the overlay, 815 remains a highly recognized and respected area code, often used in regional branding and local identity.

Time & Time Zone

Time zone:

Central (GMT -06:00)

Current time:

Map

Major Cities

City	Prefixes
Rockford	(815) 201 , (815) 202 , (815) 209 , (815) 218 , (815) 226 , (815) 227 , (815) 229 , (815) 231 , (815) 242 , (815) 243 , (815) 282 , (815) 289 , (815) 296 , (815) 298 , (815) 299 , (815) 315 , (815) 316 , (815) 319 , (815) 332 , (815) 335 , (815) 345 , (815) 378 , (815) 381 , (815) 387 , (815) 391 , (815) 394 , (815) 395 , (815) 397 , (815) 398 , (815) 399 , (815) 400 , (815) 405 , (815) 470 , (815) 480 , (815) 484 , (815) 489 , (815) 490 , (815) 494 , (815) 505 , (815) 516 , (815) 519 , (815) 520 , (815) 522 , (815) 540 , (815) 543 , (815) 580 , (815) 601 , (815) 608 , (815) 621 , (815) 633 , (815) 636 , (815) 637 , (815) 639 , (815) 641 , (815) 654 , (815) 670 , (815) 681 , (815) 703 , (815) 708 , (815) 713 , (815) 720 , (815) 721 , (815) 742 , (815) 749 , (815) 847 , (815) 860 , (815) 870 , (815) 871 , (815) 873 , (815) 874 , (815) 877 , (815) 885 , (815) 890 , (815) 904 , (815) 914 , (815) 921 , (815) 954 , (815) 961 , (815) 962 , (815) 963 , (815) 964 , (815) 965 , (815) 966 , (815) 967 , (815) 968 , (815) 969 , (815) 971 , (815) 972 , (815) 977 , (815) 979 , (815) 980 , (815) 983 , (815) 985 , (815) 986 , (815) 987 , (815) 988 , (815) 997
Joliet	(815) 203 , (815) 207 , (815) 210 , (815) 212 , (815) 240 , (815) 254 , (815) 260 , (815) 272 , (815) 280 , (815) 283 , (815) 302 , (815) 324 , (815) 341 , (815) 342 , (815) 348 , (815) 373 , (815) 374 , (815) 409 , (815) 436 , (815) 439 , (815) 460 , (815) 483 , (815) 510 , (815) 514 , (815) 529 , (815) 530 , (815) 531 , (815) 545 , (815) 546 , (815) 553 , (815) 556 , (815) 557 , (815) 558 , (815) 577 , (815) 582 , (815) 600 , (815) 630 , (815) 651 , (815) 666 , (815) 668 , (815) 671 , (815) 685 , (815) 690 , (815) 693 , (815) 714 , (815) 715 , (815) 722 , (815) 723 , (815) 724 , (815) 725 , (815) 726 , (815) 727 , (815) 729 , (815) 730 , (815) 735 , (815) 739 , (815) 740 , (815) 741 , (815) 744 , (815) 763 , (815) 767 , (815) 773 , (815) 774 , (815) 791 , (815) 823 , (815) 851 , (815) 892 , (815) 913 , (815) 919 , (815) 927 , (815) 931 , (815) 955 , (815) 999
Kankakee	(815) 214 , (815) 279 , (815) 295 , (815) 304 , (815) 351 , (815) 352 , (815) 401 , (815) 523 , (815) 549 , (815) 573 , (815) 592 , (815) 602 , (815) 603 , (815) 614 , (815) 697 , (815) 802 , (815) 839 , (815) 922 , (815) 928 , (815) 929 , (815) 932 , (815) 933 , (815) 935 , (815) 936 , (815) 937 , (815) 939
Plainfield	(815) 230 , (815) 254 , (815) 263 , (815) 267 , (815) 293 , (815) 327 , (815) 341 , (815) 372 , (815) 405 , (815) 407 , (815) 436 , (815) 439 , (815) 487 , (815) 545 , (815) 556 , (815) 557 , (815) 577 , (815) 609 , (815) 676 , (815) 679 , (815) 693 , (815) 731 , (815) 733 , (815) 782 , (815) 886
Romeoville	(815) 221 , (815) 254 , (815) 260 , (815) 293 , (815) 306 , (815) 328 , (815) 370 , (815) 372 , (815) 375 , (815) 407 , (815) 461 , (815) 488 , (815) 512 , (815) 524 , (815) 552 , (815) 577 , (815) 588 , (815) 660 , (815) 739 , (815) 834 , (815) 846 , (815) 852 , (815) 886 , (815) 905
Mchenry	(815) 236 , (815) 271 , (815) 322 , (815) 331 , (815) 341 , (815) 344 , (815) 349 , (815) 363 , (815) 385 , (815) 388 , (815) 403 , (815) 430 , (815) 451 , (815) 455 , (815) 459 , (815) 491 , (815) 528 , (815) 578 , (815) 669 , (815) 675 , (815) 685 , (815) 759 , (815) 903
Woodstock	(815) 206 , (815) 255 , (815) 307 , (815) 308 , (815) 321 , (815) 334 , (815) 337 , (815) 338 , (815) 347 , (815) 354 , (815) 482 , (815) 502 , (815) 527 , (815) 568 , (815) 575 , (815) 648 , (815) 687 , (815) 701 , (815) 775 , (815) 814 , (815) 861 , (815) 880 , (815) 923
Freeport	(815) 232 , (815) 233 , (815) 235 , (815) 266 , (815) 275 , (815) 291 , (815) 297 , (815) 362 , (815) 449 , (815) 541 , (815) 563 , (815) 599 , (815) 616 , (815) 618 , (815) 650 , (815) 656 , (815) 789 , (815) 801 , (815) 816 , (815) 821 , (815) 868 , (815) 908 , (815) 990
Dekalb	(815) 217 , (815) 286 , (815) 508 , (815) 517 , (815) 593 , (815) 746 , (815) 748 , (815) 751 , (815) 752 , (815) 753 , (815) 754 , (815) 756 , (815) 757 , (815) 758 , (815) 761 , (815) 762 , (815) 764 , (815) 766 , (815) 787 , (815) 827 , (815) 862 , (815) 901 , (815) 909
Crystal Lake	(815) 204 , (815) 219 , (815) 261 , (815) 276 , (815) 301 , (815) 356 , (815) 382 , (815) 404 , (815) 425 , (815) 444 , (815) 455 , (815) 459 , (815) 477 , (815) 479 , (815) 526 , (815) 788 , (815) 861 , (815) 893
Sterling	(815) 213 , (815) 225 , (815) 284 , (815) 336 , (815) 380 , (815) 499 , (815) 535 , (815) 564 , (815) 590 , (815) 622 , (815) 625 , (815) 626 , (815) 631 , (815) 632 , (815) 655 , (815) 716 , (815) 718 , (815) 859
Lockport	(815) 341 , (815) 462 , (815) 463 , (815) 485 , (815) 545 , (815) 588 , (815) 693 , (815) 722 , (815) 723 , (815) 724 , (815) 726 , (815) 727 , (815) 740 , (815) 768 , (815) 834 , (815) 836 , (815) 838 , (815) 951

Counties

County	Prefixes
Will	(815) 203 , (815) 207 , (815) 210 , (815) 212 , (815) 215 , (815) 221 , (815) 230 , (815) 240 , (815) 254 , (815) 260 , (815) 263 , (815) 267 , (815) 272 , (815) 274 , (815) 277 , (815) 280 , (815) 283 , (815) 293 , (815) 302 , (815) 306 , (815) 314 , (815) 324 , (815) 327 , (815) 328 , (815) 341 , (815) 342 , (815) 348 , (815) 354 , (815) 361 , (815) 370 , (815) 372 , (815) 373 , (815) 374 , (815) 375 , (815) 390 , (815) 405 , (815) 407 , (815) 409 , (815) 412 , (815) 417 , (815) 418 , (815) 423 , (815) 424 , (815) 436 , (815) 439 , (815) 458 , (815) 460 , (815) 461 , (815) 462 , (815) 463 , (815) 464 , (815) 465 , (815) 466 , (815) 467 , (815) 469 , (815) 476 , (815) 478 , (815) 482 , (815) 483 , (815) 485 , (815) 487 , (815) 488 , (815) 510 , (815) 512 , (815) 514 , (815) 521 , (815) 524 , (815) 529 , (815) 530 , (815) 531 , (815) 534 , (815) 545 , (815) 546 , (815) 552 , (815) 553 , (815) 556 , (815) 557 , (815) 558 , (815) 577 , (815) 582 , (815) 588 , (815) 600 , (815) 609 , (815) 630 , (815) 651 , (815) 660 , (815) 666 , (815) 668 , (815) 671 , (815) 676 , (815) 679 , (815) 680 , (815) 685 , (815) 690 , (815) 693 , (815) 714 , (815) 715 , (815) 717 , (815) 722 , (815) 723 , (815) 724 , (815) 725 , (815) 726 , (815) 727 , (815) 729 , (815) 730 , (815) 731 , (815) 733 , (815) 735 , (815) 739 , (815) 740 , (815) 741 , (815) 744 , (815) 763 , (815) 767 , (815) 768 , (815) 773 , (815) 774 , (815) 782 , (815) 791 , (815) 806 , (815) 823 , (815) 834 , (815) 836 , (815) 838 , (815) 846 , (815) 851 , (815) 852 , (815) 886 , (815) 892 , (815) 905 , (815) 913 , (815) 919 , (815) 922 , (815) 926 , (815) 927 , (815) 931 , (815) 951 , (815) 955 , (815) 999
Winnebago	(815) 201 , (815) 202 , (815) 209 , (815) 218 , (815) 222 , (815) 226 , (815) 227 , (815) 229 , (815) 231 , (815) 239 , (815) 242 , (815) 243 , (815) 247 , (815) 248 , (815) 262 , (815) 282 , (815) 289 , (815) 296 , (815) 298 , (815) 299 , (815) 315 , (815) 316 , (815) 319 , (815) 332 , (815) 335 , (815) 345 , (815) 362 , (815) 378 , (815) 381 , (815) 387 , (815) 389 , (815) 391 , (815) 394 , (815) 395 , (815) 397 , (815) 398 , (815) 399 , (815) 400 , (815) 405 , (815) 470 , (815) 480 , (815) 484 , (815) 489 , (815) 490 , (815) 494 , (815) 505 , (815) 516 , (815) 519 , (815) 520 , (815) 522 , (815) 525 , (815) 540 , (815) 543 , (815) 580 , (815) 601 , (815) 608 , (815) 619 , (815) 621 , (815) 623 , (815) 624 , (815) 629 , (815) 633 , (815) 636 , (815) 637 , (815) 639 , (815) 641 , (815) 654 , (815) 670 , (815) 681 , (815) 696 , (815) 703 , (815) 704 , (815) 708 , (815) 713 , (815) 720 , (815) 721 , (815) 742 , (815) 749 , (815) 804 , (815) 805 , (815) 847 , (815) 850 , (815) 860 , (815) 870 , (815) 871 , (815) 873 , (815) 874 , (815) 877 , (815) 885 , (815) 890 , (815) 891 , (815) 896 , (815) 904 , (815) 914 , (815) 921 , (815) 954 , (815) 957 , (815) 961 , (815) 962 , (815) 963 , (815) 964 , (815) 965 , (815) 966 , (815) 967 , (815) 968 , (815) 969 , (815) 971 , (815) 972 , (815) 977 , (815) 979 , (815) 980 , (815) 983 , (815) 985 , (815) 986 , (815) 987 , (815) 988 , (815) 997
Mchenry	(815) 204 , (815) 206 , (815) 219 , (815) 236 , (815) 245 , (815) 255 , (815) 261 , (815) 271 , (815) 276 , (815) 301 , (815) 307 , (815) 308 , (815) 321 , (815) 322 , (815) 331 , (815) 333 , (815) 334 , (815) 337 , (815) 338 , (815) 341 , (815) 344 , (815) 347 , (815) 349 , (815) 353 , (815) 354 , (815) 355 , (815) 356 , (815) 363 , (815) 382 , (815) 385 , (815) 388 , (815) 403 , (815) 404 , (815) 425 , (815) 430 , (815) 444 , (815) 451 , (815) 455 , (815) 459 , (815) 477 , (815) 479 , (815) 482 , (815) 491 , (815) 502 , (815) 506 , (815) 526 , (815) 527 , (815) 528 , (815) 560 , (815) 568 , (815) 569 , (815) 572 , (815) 575 , (815) 578 , (815) 581 , (815) 596 , (815) 597 , (815) 648 , (815) 653 , (815) 669 , (815) 675 , (815) 678 , (815) 685 , (815) 687 , (815) 701 , (815) 712 , (815) 728 , (815) 759 , (815) 770 , (815) 775 , (815) 788 , (815) 790 , (815) 814 , (815) 861 , (815) 880 , (815) 884 , (815) 887 , (815) 893 , (815) 903 , (815) 923 , (815) 943
La Salle	(815) 200 , (815) 220 , (815) 223 , (815) 224 , (815) 228 , (815) 246 , (815) 249 , (815) 250 , (815) 252 , (815) 257 , (815) 310 , (815) 313 , (815) 326 , (815) 329 , (815) 339 , (815) 341 , (815) 343 , (815) 357 , (815) 358 , (815) 366 , (815) 368 , (815) 371 , (815) 408 , (815) 410 , (815) 414 , (815) 415 , (815) 431 , (815) 433 , (815) 434 , (815) 442 , (815) 446 , (815) 452 , (815) 495 , (815) 496 , (815) 498 , (815) 500 , (815) 503 , (815) 538 , (815) 539 , (815) 579 , (815) 586 , (815) 587 , (815) 606 , (815) 615 , (815) 617 , (815) 627 , (815) 640 , (815) 665 , (815) 667 , (815) 672 , (815) 673 , (815) 674 , (815) 691 , (815) 695 , (815) 750 , (815) 755 , (815) 769 , (815) 780 , (815) 792 , (815) 794 , (815) 795 , (815) 822 , (815) 830 , (815) 853 , (815) 854 , (815) 856 , (815) 863 , (815) 869 , (815) 882 , (815) 883 , (815) 894 , (815) 910 , (815) 981 , (815) 992 , (815) 993
Kankakee	(815) 214 , (815) 216 , (815) 258 , (815) 260 , (815) 263 , (815) 278 , (815) 279 , (815) 295 , (815) 304 , (815) 320 , (815) 351 , (815) 352 , (815) 364 , (815) 365 , (815) 370 , (815) 386 , (815) 401 , (815) 421 , (815) 422 , (815) 426 , (815) 427 , (815) 428 , (815) 435 , (815) 450 , (815) 465 , (815) 466 , (815) 468 , (815) 472 , (815) 507 , (815) 523 , (815) 549 , (815) 550 , (815) 567 , (815) 573 , (815) 592 , (815) 602 , (815) 603 , (815) 605 , (815) 614 , (815) 662 , (815) 697 , (815) 799 , (815) 802 , (815) 839 , (815) 907 , (815) 922 , (815) 928 , (815) 929 , (815) 932 , (815) 933 , (815) 935 , (815) 936 , (815) 937 , (815) 939 , (815) 944 , (815) 949 , (815) 953 , (815) 954
Dekalb	(815) 217 , (815) 264 , (815) 286 , (815) 384 , (815) 393 , (815) 406 , (815) 420 , (815) 495 , (815) 498 , (815) 501 , (815) 508 , (815) 517 , (815) 522 , (815) 570 , (815) 593 , (815) 627 , (815) 746 , (815) 748 , (815) 751 , (815) 752 , (815) 753 , (815) 754 , (815) 756 , (815) 757 , (815) 758 , (815) 761 , (815) 762 , (815) 764 , (815) 766 , (815) 784 , (815) 786 , (815) 787 , (815) 793 , (815) 797 , (815) 824 , (815) 825 , (815) 826 , (815) 827 , (815) 851 , (815) 862 , (815) 895 , (815) 899 , (815) 901 , (815) 909 , (815) 970 , (815) 978 , (815) 991
Stephenson	(815) 232 , (815) 233 , (815) 235 , (815) 238 , (815) 239 , (815) 247 , (815) 248 , (815) 266 , (815) 275 , (815) 291 , (815) 297 , (815) 362 , (815) 367 , (815) 369 , (815) 443 , (815) 449 , (815) 541 , (815) 563 , (815) 599 , (815) 616 , (815) 618 , (815) 650 , (815) 656 , (815) 745 , (815) 789 , (815) 801 , (815) 807 , (815) 808 , (815) 809 , (815) 810 , (815) 812 , (815) 816 , (815) 819 , (815) 821 , (815) 831 , (815) 833 , (815) 850 , (815) 864 , (815) 865 , (815) 868 , (815) 908 , (815) 938 , (815) 947 , (815) 990
Whiteside	(815) 208 , (815) 213 , (815) 225 , (815) 284 , (815) 336 , (815) 380 , (815) 438 , (815) 499 , (815) 535 , (815) 537 , (815) 542 , (815) 548 , (815) 559 , (815) 564 , (815) 565 , (815) 583 , (815) 589 , (815) 590 , (815) 622 , (815) 625 , (815) 626 , (815) 631 , (815) 632 , (815) 655 , (815) 706 , (815) 716 , (815) 718 , (815) 772 , (815) 778 , (815) 859 , (815) 897 , (815) 902 , (815) 924 , (815) 948 , (815) 956 , (815) 982 , (815) 989
Grundy	(815) 237 , (815) 287 , (815) 290 , (815) 305 , (815) 318 , (815) 346 , (815) 357 , (815) 392 , (815) 413 , (815) 416 , (815) 448 , (815) 458 , (815) 467 , (815) 474 , (815) 475 , (815) 504 , (815) 513 , (815) 518 , (815) 521 , (815) 532 , (815) 585 , (815) 586 , (815) 634 , (815) 642 , (815) 649 , (815) 661 , (815) 705 , (815) 709 , (815) 710 , (815) 736 , (815) 828 , (815) 915 , (815) 940 , (815) 941 , (815) 942
Iroquois	(815) 253 , (815) 265 , (815) 268 , (815) 269 , (815) 317 , (815) 330 , (815) 377 , (815) 383 , (815) 421 , (815) 428 , (815) 429 , (815) 432 , (815) 435 , (815) 457 , (815) 471 , (815) 473 , (815) 486 , (815) 515 , (815) 644 , (815) 682 , (815) 683 , (815) 686 , (815) 689 , (815) 694 , (815) 697 , (815) 698 , (815) 707 , (815) 771 , (815) 781 , (815) 783 , (815) 785 , (815) 889 , (815) 918 , (815) 984
Livingston	(815) 253 , (815) 287 , (815) 312 , (815) 325 , (815) 358 , (815) 419 , (815) 567 , (815) 584 , (815) 586 , (815) 607 , (815) 610 , (815) 612 , (815) 635 , (815) 647 , (815) 657 , (815) 672 , (815) 673 , (815) 688 , (815) 689 , (815) 692 , (815) 702 , (815) 743 , (815) 796 , (815) 822 , (815) 832 , (815) 842 , (815) 844 , (815) 848 , (815) 854 , (815) 867 , (815) 920 , (815) 934 , (815) 998
Lee	(815) 251 , (815) 284 , (815) 285 , (815) 288 , (815) 350 , (815) 359 , (815) 360 , (815) 376 , (815) 379 , (815) 384 , (815) 396 , (815) 440 , (815) 453 , (815) 456 , (815) 497 , (815) 545 , (815) 574 , (815) 604 , (815) 627 , (815) 628 , (815) 631 , (815) 652 , (815) 824 , (815) 835 , (815) 843 , (815) 849 , (815) 857 , (815) 859 , (815) 900 , (815) 946 , (815) 973 , (815) 994
Ogle	(815) 225 , (815) 234 , (815) 247 , (815) 362 , (815) 384 , (815) 393 , (815) 396 , (815) 420 , (815) 441 , (815) 453 , (815) 493 , (815) 561 , (815) 562 , (815) 576 , (815) 595 , (815) 604 , (815) 645 , (815) 652 , (815) 732 , (815) 734 , (815) 738 , (815) 753 , (815) 803 , (815) 837 , (815) 841 , (815) 881 , (815) 888 , (815) 917 , (815) 938 , (815) 946 , (815) 960
Bureau	(815) 303 , (815) 340 , (815) 376 , (815) 379 , (815) 445 , (815) 447 , (815) 454 , (815) 542 , (815) 638 , (815) 643 , (815) 646 , (815) 659 , (815) 663 , (815) 664 , (815) 699 , (815) 719 , (815) 760 , (815) 866 , (815) 872 , (815) 875 , (815) 876 , (815) 878 , (815) 879 , (815) 894 , (815) 974
Jo Daviess	(815) 281 , (815) 402 , (815) 492 , (815) 554 , (815) 591 , (815) 594 , (815) 598 , (815) 677 , (815) 745 , (815) 747 , (815) 776 , (815) 777 , (815) 813 , (815) 817 , (815) 818 , (815) 820 , (815) 840 , (815) 845 , (815) 858 , (815) 898 , (815) 930 , (815) 947
Carroll	(815) 225 , (815) 244 , (815) 259 , (815) 270 , (815) 273 , (815) 309 , (815) 336 , (815) 493 , (815) 551 , (815) 571 , (815) 613 , (815) 658 , (815) 684 , (815) 798 , (815) 829 , (815) 855 , (815) 864 , (815) 906 , (815) 952 , (815) 996
Boone	(815) 292 , (815) 323 , (815) 332 , (815) 406 , (815) 509 , (815) 544 , (815) 547 , (815) 566 , (815) 569 , (815) 597 , (815) 737 , (815) 765 , (815) 800 , (815) 885 , (815) 912 , (815) 975 , (815) 995
Cook	(815) 205 , (815) 241 , (815) 260 , (815) 294 , (815) 300 , (815) 464 , (815) 469 , (815) 481 , (815) 533 , (815) 536 , (815) 806 , (815) 978
Putnam	(815) 339 , (815) 437 , (815) 446 , (815) 760 , (815) 869 , (815) 882 , (815) 925
Ford	(815) 253 , (815) 256 , (815) 567 , (815) 686 , (815) 689 , (815) 934 , (815) 949
Henry	(815) 454 , (815) 542 , (815) 620 , (815) 948 , (815) 974
Marshall	(815) 442 , (815) 452 , (815) 853 , (815) 856 , (815) 882
Kendall	(815) 475 , (815) 695 , (815) 736 , (815) 786 , (815) 916
Kane	(815) 286 , (815) 827 , (815) 895
Woodford	(815) 452 , (815) 796
Vermilion	(815) 429 , (815) 984
Lake	(815) 241 , (815) 245
Dupage	(815) 342
Stark	(815) 646
Mclean	(815) 945

Telephone Carriers

Carrier	Type	Prefixes (%)
Ameritech Illinois	Landline	30%
Frontier North Inc Il	Landline	24%
Sprint Spectrum L P	Wireless	4%
New Cingular Wireless Pcs Llc Il	Wireless	4%
Cellco Partnership Dba Verizon Wireless Il	Wireless	4%
United States Cellular Corp Illinois	Wireless	3%
Broadwing Communications Llc Il	Landline	3%
Level 3 Communications Llc Il	Landline	3%
Citizens Telecom Co Illinois Frontier Citizens Il	Landline	2%
Essex Telcom Inc	Landline	2%
Aero North Communications Inc Il	Landline	2%
Frontier Communications Of Illinois Inc	Landline	1%
Illinois Valley Cellular Rsa 2 I Partnership	Wireless	1%
Teleport Communications America Llc Il	Landline	1%
Rcn Telecom Services Of Illinois Inc Il	Landline	1%
Us Xchange Of Illinois Llc Dba Choice One Comm Il	Wireless	1%
At T Local	Landline	1%
C R Telephone Co	Landline	1%
T Mobile Usa Inc	Wireless	1%
Mci Worldcom Communications Inc Il	Landline	1%
Usa Mobility Wireless Inc	Wireless	1%
Sprint Communications Company L P Il	Landline	1%
Gallatin River Communications Dba Centurylink	Landline	1%
American Messaging Am Inc	Wireless	1%
Frontier Communications Of The Carolinas Inc Il	Landline	1%
Globalcom Inc Il	Landline	1%
Mediacom Telephony Of Illinois Llc Il	Landline	1%
365 Wireless Llc	Wireless	< 1%
Comcast Phone Of Illinois Llc Dba Comco Il	Landline	< 1%
Charter Fiberlink Illinois Llc Il	Wireless	< 1%
Ymax Communications Corp Il	Landline	< 1%
North County Communications Corp Ca	Landline	< 1%
Tds Metrocom Inc Il	Landline	< 1%
Sharon Telephone Co Illinois	Landline	< 1%
Xo Illinois Inc	Landline	< 1%
Stelle Telephone Co	Landline	< 1%
Nextel Communications Inc	Wireless	< 1%
Peerless Network Of Illinois Llc Il	Wireless	< 1%
Bandwidth Com Clec Llc Il	Wireless	< 1%
Mcleodusa Telecommunications Services Inc Il	Landline	< 1%
Bergen Telephone Co Illinois	Landline	< 1%
Ovation Communications Of Illinois Inc	Landline	< 1%
Frontier Communications Of Depue Inc	Landline	< 1%
Bitwise Communications Inc Il	Landline	< 1%
Illinois Valley Cellular Rsa 2 Ii Partnership	Wireless	< 1%
Marseilles Telephone Co Of Marseilles	Landline	< 1%
Tonica Telephone Co	Landline	< 1%
Kinsman Mutual Telephone Company	Landline	< 1%
Mcnabb Telephone Co	Landline	< 1%
Mtco Communications Inc	Landline	< 1%
Indiana Paging Ntwk	Wireless	< 1%
Leaf River Telephone Co	Landline	< 1%
Denali Spectrum License Llc	Landline	< 1%
Answer America Dba Answer Usa	Wireless	< 1%
Digital Network Access Communications Inc Il	Landline	< 1%
Leonore Mutual Telephone Co	Landline	< 1%
Neutral Tandem Illinois Llc Il	Wireless	< 1%
Paetec Communications Inc Il	Landline	< 1%
Sbc Internet Services Inc	Landline	< 1%
Frontier Communications Of Prairie Inc	Landline	< 1%

Prefixes

Prefix	City	Carrier	Type
(815) 813	Apple River	Aero North Communications, Inc. - Il	Landline
(815) 491	Mchenry	365 Wireless, Llc	Wireless
(815) 955	Joliet	Sprint Spectrum L.p.	Wireless
(815) 942	Morris	Ameritech Illinois	Landline
(815) 234	Oregon	Frontier North, Inc. - Il	Landline
(815) 569	Poplar Grove	Frontier North, Inc. - Il	Landline
(815) 692	Fairbury	Frontier North, Inc. - Il	Landline
(815) 376	Princeton	Frontier North, Inc. - Il	Landline
(815) 710	Morris	At&t Local	Landline
(815) 935	Saint Anne	Ameritech Illinois	Landline
(815) 341	New Lenox	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 954	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 987	Rockford	Ameritech Illinois	Landline
(815) 699	Wyanet	Frontier North, Inc. - Il	Landline
(815) 730	Joliet	Ameritech Illinois	Landline
(815) 831	Davis	Aero North Communications, Inc. - Il	Landline
(815) 495	Leland	Frontier North, Inc. - Il	Landline
(815) 556	Joliet	Broadwing Communications, Llc - Il	Landline
(815) 575	Woodstock	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 729	Joliet	Ameritech Illinois	Landline
(815) 359	Dixon	Gallatin River Communications Dba Centurylink	Landline
(815) 401	Kankakee	Level 3 Communications, Llc - Il	Landline
(815) 933	Kankakee	Ameritech Illinois	Landline
(815) 251	Dixon	Gallatin River Communications Dba Centurylink	Landline
(815) 664	Spring Valley	Frontier North, Inc. - Il	Landline
(815) 885	Belvidere	Frontier North, Inc. - Il	Landline
(815) 246	Earlville	Frontier North, Inc. - Il	Landline
(815) 597	Marengo	Frontier North, Inc. - Il	Landline
(815) 622	Rock Falls	Ameritech Illinois	Landline
(815) 578	Mchenry	Ameritech Illinois	Landline
(815) 940	Gardner	Level 3 Communications, Llc - Il	Landline
(815) 319	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 617	Ottawa	At&t Local	Landline
(815) 638	Ohio	Frontier North, Inc. - Il	Landline
(815) 540	Rockford	Sprint Spectrum L.p.	Wireless
(815) 659	Princeton	Frontier North, Inc. - Il	Landline
(815) 922	Kankakee	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 493	Polo	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 463	New Lenox	Ameritech Illinois	Landline
(815) 249	Ottawa	Frontier North, Inc. - Il	Landline
(815) 633	Machesney Park	Ameritech Illinois	Landline
(815) 564	Sterling	Ameritech Illinois	Landline
(815) 698	Clifton	Frontier North, Inc. - Il	Landline
(815) 589	Fulton	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 393	Holcomb	Frontier North, Inc. - Il	Landline
(815) 421	Clifton	Ameritech Illinois	Landline
(815) 595	Oregon	At&t Local	Landline
(815) 837	Forreston	Aero North Communications, Inc. - Il	Landline
(815) 426	Herscher	Ameritech Illinois	Landline
(815) 492	Apple River	Frontier North, Inc. - Il	Landline
(815) 847	Rockford	Sbc Internet Services, Inc.	Landline
(815) 792	Sheridan	Ameritech Illinois	Landline
(815) 827	Maple Park	Frontier North, Inc. - Il	Landline
(815) 275	Freeport	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 934	Pontiac	Frontier North, Inc. - Il	Landline
(815) 983	Rockford	American Messaging (am), Inc.	Wireless
(815) 427	Saint Anne	Ameritech Illinois	Landline
(815) 430	Mchenry	Globalcom, Inc.-il	Landline
(815) 795	Marseilles	Marseilles Telephone Co. of Marseilles	Landline
(815) 655	Sterling	Essex Telcom, Inc.	Landline
(815) 336	Chadwick	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 435	Martinton	Frontier North, Inc. - Il	Landline
(815) 406	Belvidere	Frontier North, Inc. - Il	Landline
(815) 377	Watseka	Broadwing Communications, Llc - Il	Landline
(815) 882	Mc Nabb	Mcnabb Telephone Co.	Landline
(815) 458	Braidwood	Ameritech Illinois	Landline
(815) 420	Rochelle	Essex Telcom, Inc.	Landline
(815) 353	Wonder Lake	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 736	Newark	Ameritech Illinois	Landline
(815) 464	Frankfort	Ameritech Illinois	Landline
(815) 282	Rockford	Ameritech Illinois	Landline
(815) 245	Wonder Lake	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 696	Roscoe	Aero North Communications, Inc. - Il	Landline
(815) 746	Dekalb	Marseilles Telephone Co. of Marseilles	Wireless
(815) 558	Joliet	United States Cellular Corp. - Illinois	Wireless
(815) 684	Mount Carroll	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 690	Joliet	United States Cellular Corp. - Illinois	Wireless
(815) 216	Bourbonnais	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 586	Ransom	C-r Telephone Co.	Landline
(815) 485	Lockport	Ameritech Illinois	Landline
(815) 688	Fairbury	Frontier North, Inc. - Il	Landline
(815) 386	Bourbonnais	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 445	Sheffield	Frontier North, Inc. - Il	Landline
(815) 288	Dixon	Gallatin River Communications Dba Centurylink	Landline
(815) 765	Poplar Grove	Frontier North, Inc. - Il	Landline
(815) 372	Romeoville	Ameritech Illinois	Landline
(815) 874	Cherry Valley	Frontier North, Inc. - Il	Landline
(815) 705	Morris	Teleport Communications America, Llc - Il	Landline
(815) 962	Rockford	Ameritech Illinois	Landline
(815) 683	Watseka	Ameritech Illinois	Landline
(815) 936	Bradley	Ameritech Illinois	Landline
(815) 673	Cornell	Frontier North, Inc. - Il	Landline
(815) 938	Leaf River	Frontier North, Inc. - Il	Landline
(815) 584	Dwight	Ameritech Illinois	Landline
(815) 898	Stockton	Aero North Communications, Inc. - Il	Landline
(815) 663	Spring Valley	Frontier North, Inc. - Il	Landline
(815) 894	Ladd	Frontier North, Inc. - Il	Landline
(815) 969	Rockford	Ameritech Illinois	Landline
(815) 582	Joliet	T-mobile Usa, Inc.	Wireless
(815) 225	Chadwick	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 723	Lockport	Ameritech Illinois	Landline
(815) 532	Coal City	Usa Mobility Wireless, Inc.	Wireless
(815) 547	Belvidere	Frontier North, Inc. - Il	Landline
(815) 368	Tonica	Frontier North, Inc. - Il	Landline
(815) 948	Prophetstown	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 545	Plainfield	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 456	Ashton	Frontier North, Inc. - Il	Landline
(815) 488	Romeoville	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 523	Kankakee	Teleport Communications America, Llc - Il	Landline
(815) 841	Mount Morris	Essex Telcom, Inc.	Landline
(815) 340	La Moille	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 462	Lockport	Ameritech Illinois	Landline
(815) 204	Crystal Lake	Usa Mobility Wireless, Inc.	Wireless
(815) 357	Seneca	Ameritech Illinois	Landline
(815) 482	Woodstock	Sprint Spectrum L.p.	Wireless
(815) 330	Crescent City	Globalcom, Inc.-il	Landline
(815) 637	Loves Park	Ameritech Illinois	Landline
(815) 739	Romeoville	Sprint Spectrum L.p.	Wireless
(815) 373	Joliet	Us Xchange of Illinois Llc Dba Choice One Comm Il	Wireless
(815) 416	Morris	Ameritech Illinois	Landline
(815) 849	Sublette	Frontier North, Inc. - Il	Landline
(815) 515	Watseka	Level 3 Communications, Llc - Il	Landline
(815) 358	Blackstone	C-r Telephone Co.	Landline
(815) 877	Rockford	Ameritech Illinois	Landline
(815) 247	Leaf River	Frontier North, Inc. - Il	Landline
(815) 722	Joliet	Ameritech Illinois	Landline
(815) 675	Mchenry	Frontier North, Inc. - Il	Landline
(815) 536	Western Springs	Usa Mobility Wireless, Inc.	Wireless
(815) 850	Winnebago	Aero North Communications, Inc. - Il	Landline
(815) 995	Belvidere	Teleport Communications America, Llc - Il	Landline
(815) 974	Mineral	Essex Telcom, Inc.	Landline
(815) 291	Freeport	United States Cellular Corp. - Illinois	Wireless
(815) 652	Oregon	Gallatin River Communications Dba Centurylink	Landline
(815) 886	Plainfield	Ameritech Illinois	Landline
(815) 756	Sycamore	Frontier North, Inc. - Il	Landline
(815) 758	Dekalb	Frontier North, Inc. - Il	Landline
(815) 967	Rockford	Ameritech Illinois	Landline
(815) 294	Brookfield	Usa Mobility Wireless, Inc.	Wireless
(815) 355	Wonder Lake	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 295	Kankakee	T-mobile Usa, Inc.	Landline
(815) 272	Joliet	Mci Worldcom Communications, Inc. - Il	Landline
(815) 681	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 895	Sycamore	Frontier North, Inc. - Il	Landline
(815) 853	Toluca	Frontier North, Inc. - Il	Landline
(815) 273	Savanna	Gallatin River Communications Dba Centurylink	Landline
(815) 856	Streator	Leonore Mutual Telephone Co.	Landline
(815) 648	Woodstock	Frontier North, Inc. - Il	Landline
(815) 629	Shirland	Frontier North, Inc. - Il	Landline
(815) 405	Rockford	Sprint Spectrum L.p.	Wireless
(815) 971	Roscoe	Ameritech Illinois	Landline
(815) 854	Dana	Frontier North, Inc. - Il	Landline
(815) 468	Manteno	Ameritech Illinois	Landline
(815) 264	Waterman	Frontier North, Inc. - Il	Landline
(815) 524	Romeoville	Teleport Communications America, Llc - Il	Landline
(815) 579	Peru	Sprint Spectrum L.p.	Wireless
(815) 446	Granville	Frontier North, Inc. - Il	Landline
(815) 351	Kankakee	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 568	Marengo	Ameritech Illinois	Landline
(815) 300	Chicago	Ameritech Illinois	Landline
(815) 397	Rockford	Ameritech Illinois	Landline
(815) 298	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 921	Rockford	Ameritech Illinois	Landline
(815) 398	Rockford	Ameritech Illinois	Landline
(815) 407	Plainfield	Ameritech Illinois	Landline
(815) 824	Shabbona	Frontier North, Inc. - Il	Landline
(815) 928	Bourbonnais	Ameritech Illinois	Landline
(815) 208	Fulton	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 793	Malta	T-mobile Usa, Inc.	Wireless
(815) 778	Fenton	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 715	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 845	Scales Mound	Frontier North, Inc. - Il	Landline
(815) 231	Rockford	Ameritech Illinois	Landline
(815) 643	Dover	Frontier North, Inc. - Il	Landline
(815) 628	West Brooklyn	Frontier North, Inc. - Il	Landline
(815) 929	Kankakee	Ameritech Illinois	Landline
(815) 539	Mendota	Frontier North, Inc. - Il	Landline
(815) 906	Mount Carroll	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 616	Freeport	T-mobile Usa, Inc.	Wireless
(815) 498	Leland	Frontier North, Inc. - Il	Landline
(815) 317	Crescent City	Broadwing Communications, Llc - Il	Landline
(815) 535	Rock Falls	Ameritech Illinois	Landline
(815) 250	La Salle	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 614	Kankakee	Broadwing Communications, Llc - Il	Landline
(815) 308	Woodstock	Broadwing Communications, Llc - Il	Landline
(815) 472	Momence	Ameritech Illinois	Landline
(815) 932	Bourbonnais	Ameritech Illinois	Landline
(815) 857	Amboy	Frontier North, Inc. - Il	Landline
(815) 927	Joliet	Broadwing Communications, Llc - Il	Landline
(815) 256	Cabery	Stelle Telephone Co.	Landline
(815) 454	Buda	Frontier North, Inc. - Il	Landline
(815) 260	Chicago	United States Cellular Corp. - Illinois	Wireless
(815) 215	New Lenox	Globalcom, Inc.-il	Landline
(815) 726	New Lenox	Ameritech Illinois	Landline
(815) 606	Ottawa	Globalcom, Inc.-il	Landline
(815) 819	Orangeville	Aero North Communications, Inc. - Il	Landline
(815) 635	Chatsworth	Frontier North, Inc. - Il	Landline
(815) 891	Winnebago	Aero North Communications, Inc. - Il	Landline
(815) 496	Marseilles	Frontier North, Inc. - Il	Landline
(815) 654	Rockford	Ameritech Illinois	Landline
(815) 219	Crystal Lake	United States Cellular Corp. - Illinois	Wireless
(815) 624	Roscoe	Frontier North, Inc. - Il	Landline
(815) 484	Rockford	Ameritech Illinois	Landline
(815) 253	Emington	Frontier Communications of Illinois, Inc.	Landline
(815) 601	Rockford	Bitwise Communications, Inc. - Il	Landline
(815) 848	Pontiac	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 391	Rockford	Ameritech Illinois	Landline
(815) 943	Marengo	Ameritech Illinois	Landline
(815) 769	Seneca	Broadwing Communications, Llc - Il	Landline
(815) 679	Plainfield	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 286	Maple Park	Frontier North, Inc. - Il	Landline
(815) 588	Lockport	Ameritech Illinois	Landline
(815) 786	Newark	Frontier North, Inc. - Il	Landline
(815) 851	Sandwich	Usa Mobility Wireless, Inc.	Wireless
(815) 438	Rock Falls	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 287	Dwight	Ameritech Illinois	Landline
(815) 443	Pearl City	Frontier North, Inc. - Il	Landline
(815) 544	Belvidere	Frontier North, Inc. - Il	Landline
(815) 299	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 262	Machesney Park	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 996	Savanna	Nextel Communications, Inc.	Wireless
(815) 379	Harmon	Frontier North, Inc. - Il	Landline
(815) 899	Sycamore	Frontier North, Inc. - Il	Landline
(815) 646	Bradford	Frontier North, Inc. - Il	Landline
(815) 861	Crystal Lake	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 362	Leaf River	Frontier North, Inc. - Il	Landline
(815) 867	Pontiac	Sprint Spectrum L.p.	Wireless
(815) 626	Sterling	Ameritech Illinois	Landline
(815) 384	Malta	Frontier North, Inc. - Il	Landline
(815) 876	Ohio	Frontier North, Inc. - Il	Landline
(815) 960	Leaf River	North County Communications Corp. - Ca	Landline
(815) 449	Freeport	Frontier North, Inc. - Il	Landline
(815) 567	Campus	Frontier North, Inc. - Il	Landline
(815) 469	Mokena	Ameritech Illinois	Landline
(815) 467	Morris	Ameritech Illinois	Landline
(815) 465	Momence	Ameritech Illinois	Landline
(815) 560	Harvard	Sprint Spectrum L.p.	Landline
(815) 862	Dekalb	Charter Fiberlink - Illinois, Llc - Il	Wireless
(815) 304	Kankakee	Broadwing Communications, Llc - Il	Landline
(815) 712	Harvard	Sprint Spectrum L.p.	Wireless
(815) 764	Dekalb	United States Cellular Corp. - Illinois	Wireless
(815) 263	Plainfield	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 701	Woodstock	Level 3 Communications, Llc - Il	Landline
(815) 370	Romeoville	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 743	Graymont	Frontier Communications of Prairie, Inc.	Landline
(815) 475	Minooka	Ameritech Illinois	Landline
(815) 693	Plainfield	Sprint Spectrum L.p.	Wireless
(815) 500	Marseilles	Sprint Communications Company, L.p. - Il	Landline
(815) 451	Mchenry	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 502	Woodstock	Globalcom, Inc.-il	Landline
(815) 325	Forrest	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 481	Brookfield	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 988	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 594	Scales Mound	Frontier North, Inc. - Il	Landline
(815) 261	Crystal Lake	Mci Worldcom Communications, Inc. - Il	Landline
(815) 383	Watseka	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 301	Crystal Lake	Broadwing Communications, Llc - Il	Landline
(815) 670	Rockford	Sprint Spectrum L.p.	Wireless
(815) 737	Capron	Sharon Telephone Co. - Illinois	Landline
(815) 503	Mendota	Sprint Spectrum L.p.	Wireless
(815) 623	Roscoe	Frontier North, Inc. - Il	Landline
(815) 754	Dekalb	Frontier North, Inc. - Il	Landline
(815) 735	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 873	Cherry Valley	Frontier North, Inc. - Il	Landline
(815) 667	Oglesby	Ameritech Illinois	Landline
(815) 392	Verona	Kinsman Mutual Telephone Company	Landline
(815) 434	Ottawa	Ameritech Illinois	Landline
(815) 403	Mchenry	Sprint Spectrum L.p.	Wireless
(815) 903	Mchenry	American Messaging (am), Inc.	Wireless
(815) 890	Rockford	Aero North Communications, Inc. - Il	Landline
(815) 423	Wilmington	Ameritech Illinois	Landline
(815) 863	Streator	Frontier North, Inc. - Il	Landline
(815) 457	Onarga	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 399	Rockford	Ameritech Illinois	Landline
(815) 753	Dekalb	Frontier North, Inc. - Il	Landline
(815) 678	Spring Grove	Frontier North, Inc. - Il	Landline
(815) 302	Joliet	Sprint Spectrum L.p.	Wireless
(815) 561	Rochelle	Frontier North, Inc. - Il	Landline
(815) 224	Peru	Ameritech Illinois	Landline
(815) 486	Watseka	Frontier North, Inc. - Il	Landline
(815) 896	Rockton	Aero North Communications, Inc. - Il	Landline
(815) 577	Plainfield	Ameritech Illinois	Landline
(815) 821	Freeport	United States Cellular Corp. - Illinois	Landline
(815) 724	Lockport	Ameritech Illinois	Landline
(815) 542	Kewanee	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 881	Oregon	Essex Telcom, Inc.	Landline
(815) 522	Kingston	Frontier North, Inc. - Il	Landline
(815) 395	Rockford	Ameritech Illinois	Landline
(815) 777	Scales Mound	Ameritech Illinois	Landline
(815) 425	Crystal Lake	Broadwing Communications, Llc - Il	Landline
(815) 563	Lena	Frontier North, Inc. - Il	Landline
(815) 774	Joliet	Ameritech Illinois	Landline
(815) 677	Elizabeth	Cellco Partnership Dba Verizon Wireless - Il	Landline
(815) 994	Dixon	Sprint Spectrum L.p.	Wireless
(815) 210	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 331	Mchenry	Broadwing Communications, Llc - Il	Landline
(815) 506	Union	Level 3 Communications, Llc - Il	Landline
(815) 615	Mendota	Level 3 Communications, Llc - Il	Landline
(815) 428	Saint Anne	Frontier North, Inc. - Il	Landline
(815) 591	Hanover	Frontier North, Inc. - Il	Landline
(815) 293	Romeoville	Ameritech Illinois	Landline
(815) 439	Plainfield	Ameritech Illinois	Landline
(815) 537	Prophetstown	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 369	Lena	Frontier North, Inc. - Il	Landline
(815) 587	Ottawa	Level 3 Communications, Llc - Il	Landline
(815) 645	Rochelle	Frontier North, Inc. - Il	Landline
(815) 689	Cullom	Frontier Communications of Illinois, Inc.	Landline
(815) 473	Milford	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 825	Malta	Frontier North, Inc. - Il	Landline
(815) 839	Kankakee	Xo Illinois, Inc.	Landline
(815) 339	Hennepin	Frontier North, Inc. - Il	Landline
(815) 923	Woodstock	Ameritech Illinois	Landline
(815) 770	Harvard	Charter Fiberlink - Illinois, Llc - Il	Landline
(815) 864	Shannon	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 914	Rockford	Sprint Spectrum L.p.	Wireless
(815) 979	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 632	Rock Falls	Ameritech Illinois	Landline
(815) 409	Joliet	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 945	Chenoa	Frontier North, Inc. - Il	Landline
(815) 924	Prophetstown	Essex Telcom, Inc.	Landline
(815) 538	Mendota	Frontier North, Inc. - Il	Landline
(815) 672	Cornell	Frontier North, Inc. - Il	Landline
(815) 252	Oglesby	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 714	Joliet	Sprint Communications Company, L.p. - Il	Landline
(815) 925	Hennepin	Frontier North, Inc. - Il	Landline
(815) 342	Oak Brook	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 686	Roberts	Frontier North, Inc. - Il	Landline
(815) 227	Rockford	Ameritech Illinois	Landline
(815) 259	Mount Carroll	Gallatin River Communications Dba Centurylink	Landline
(815) 226	Rockford	Ameritech Illinois	Landline
(815) 662	Momence	Level 3 Communications, Llc - Il	Landline
(815) 385	Mchenry	Ameritech Illinois	Landline
(815) 571	Shannon	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 381	Rockford	Ameritech Illinois	Landline
(815) 318	Morris	Broadwing Communications, Llc - Il	Landline
(815) 489	Rockford	Ameritech Illinois	Landline
(815) 755	Oglesby	American Messaging (am), Inc.	Wireless
(815) 738	Leaf River	Leaf River Telephone Co.	Landline
(815) 269	Gilman	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 641	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 970	Sycamore	Sprint Spectrum L.p.	Wireless
(815) 254	Plainfield	Ameritech Illinois	Landline
(815) 613	Mount Carroll	Essex Telcom, Inc.	Landline
(815) 653	Ringwood	Frontier North, Inc. - Il	Landline
(815) 460	Joliet	Globalcom, Inc.-il	Landline
(815) 447	Depue	Frontier Communications of Depue, Inc.	Landline
(815) 335	Pecatonica	Frontier North, Inc. - Il	Landline
(815) 599	Freeport	Frontier North, Inc. - Il	Landline
(815) 229	Rockford	Ameritech Illinois	Landline
(815) 607	Flanagan	Bitwise Communications, Inc. - Il	Landline
(815) 280	Joliet	Teleport Communications America, Llc - Il	Landline
(815) 602	Kankakee	Globalcom, Inc.-il	Landline
(815) 329	Peru	Sbc Internet Services, Inc.	Wireless
(815) 517	Dekalb	Mci Worldcom Communications, Inc. - Il	Landline
(815) 543	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 592	Kankakee	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 843	Ashton	Essex Telcom, Inc.	Landline
(815) 915	Coal City	Level 3 Communications, Llc - Il	Landline
(815) 625	Sterling	Ameritech Illinois	Landline
(815) 634	Mazon	Ameritech Illinois	Landline
(815) 941	Morris	Ameritech Illinois	Landline
(815) 413	Morris	Globalcom, Inc.-il	Landline
(815) 239	Davis	Frontier North, Inc. - Il	Landline
(815) 278	Bourbonnais	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 332	Rockford	Frontier North, Inc. - Il	Landline
(815) 424	Elwood	Ameritech Illinois	Landline
(815) 296	Rockford	Usa Mobility Wireless, Inc.	Wireless
(815) 708	Rockford	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 307	Woodstock	Broadwing Communications, Llc - Il	Landline
(815) 574	Harmon	Essex Telcom, Inc.	Landline
(815) 937	Saint Anne	Ameritech Illinois	Landline
(815) 583	Morrison	Essex Telcom, Inc.	Landline
(815) 647	Cullom	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 292	Poplar Grove	Bergen Telephone Co. - Illinois	Landline
(815) 910	Mendota	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 241	Deerfield	American Messaging (am), Inc.	Wireless
(815) 961	Rockford	Ameritech Illinois	Landline
(815) 429	Iroquois	Frontier North, Inc. - Il	Landline
(815) 289	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 230	Plainfield	Broadwing Communications, Llc - Il	Landline
(815) 866	Princeton	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 944	Hopkins Park	Ameritech Illinois	Landline
(815) 887	Harvard	Teleport Communications America, Llc - Il	Landline
(815) 501	Sycamore	Sprint Spectrum L.p.	Wireless
(815) 519	Rockford	Sprint Spectrum L.p.	Wireless
(815) 694	Ashkum	Frontier North, Inc. - Il	Landline
(815) 388	Mchenry	Sprint Spectrum L.p.	Landline
(815) 267	Plainfield	Mci Worldcom Communications, Inc. - Il	Landline
(815) 747	East Dubuque	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 209	Rockford	Level 3 Communications, Llc - Il	Landline
(815) 639	Loves Park	Ameritech Illinois	Landline
(815) 780	La Salle	Broadwing Communications, Llc - Il	Landline
(815) 879	Princeton	Frontier North, Inc. - Il	Landline
(815) 297	Freeport	Frontier North, Inc. - Il	Landline
(815) 782	Plainfield	Broadwing Communications, Llc - Il	Landline
(815) 808	Winslow	Aero North Communications, Inc. - Il	Landline
(815) 844	Pontiac	Frontier North, Inc. - Il	Landline
(815) 487	Plainfield	Globalcom, Inc.-il	Landline
(815) 242	Rockford	Usa Mobility Wireless, Inc.	Wireless
(815) 734	Mount Morris	Frontier North, Inc. - Il	Landline
(815) 658	Lanark	Essex Telcom, Inc.	Landline
(815) 731	Plainfield	Ameritech Illinois	Landline
(815) 865	Orangeville	Frontier North, Inc. - Il	Landline
(815) 846	Romeoville	Broadwing Communications, Llc - Il	Landline
(815) 744	Joliet	Ameritech Illinois	Landline
(815) 762	Dekalb	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 206	Woodstock	Ameritech Illinois	Landline
(815) 789	Winslow	Frontier North, Inc. - Il	Landline
(815) 541	Lena	United States Cellular Corp. - Illinois	Wireless
(815) 949	Cabery	Frontier North, Inc. - Il	Landline
(815) 314	Manhattan	Broadwing Communications, Llc - Il	Landline
(815) 859	Sterling	Essex Telcom, Inc.	Landline
(815) 790	Wonder Lake	Sprint Spectrum L.p.	Wireless
(815) 718	Sterling	United States Cellular Corp. - Illinois	Wireless
(815) 939	Saint Anne	Ameritech Illinois	Landline
(815) 466	Grant Park	Ameritech Illinois	Landline
(815) 220	La Salle	Ameritech Illinois	Landline
(815) 552	Romeoville	Ameritech Illinois	Landline
(815) 748	Dekalb	Frontier North, Inc. - Il	Landline
(815) 265	Gilman	Ameritech Illinois	Landline
(815) 947	Kent	Frontier North, Inc. - Il	Landline
(815) 627	Earlville	Frontier North, Inc. - Il	Landline
(815) 858	Galena	Frontier North, Inc. - Il	Landline
(815) 966	Rockford	Ameritech Illinois	Landline
(815) 763	Joliet	Answer America Dba Answer Usa	Wireless
(815) 802	Kankakee	Ameritech Illinois	Landline
(815) 277	Frankfort	Teleport Communications America, Llc - Il	Landline
(815) 360	Sublette	Essex Telcom, Inc.	Landline
(815) 806	Frankfort	Ameritech Illinois	Landline
(815) 240	Joliet	Charter Fiberlink - Illinois, Llc - Il	Wireless
(815) 695	Plano	Ameritech Illinois	Landline
(815) 334	Woodstock	Ameritech Illinois	Landline
(815) 312	Dwight	Ymax Communications Corp. - Il	Landline
(815) 514	Joliet	Nextel Communications, Inc.	Wireless
(815) 232	Freeport	Frontier North, Inc. - Il	Landline
(815) 644	Crescent City	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 521	Minooka	Ameritech Illinois	Landline
(815) 998	Odell	Frontier North, Inc. - Il	Landline
(815) 907	Manteno	Broadwing Communications, Llc - Il	Landline
(815) 581	Spring Grove	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 985	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 270	Lanark	Charter Fiberlink - Illinois, Llc - Il	Landline
(815) 745	Lena	Frontier North, Inc. - Il	Landline
(815) 274	Wilmington	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 781	Chebanse	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 512	Romeoville	Globalcom, Inc.-il	Landline
(815) 343	Ottawa	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 559	Fulton	Essex Telcom, Inc.	Landline
(815) 396	Steward	Frontier North, Inc. - Il	Landline
(815) 618	Freeport	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 771	Ashkum	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 363	Mchenry	Ameritech Illinois	Landline
(815) 497	West Brooklyn	Frontier North, Inc. - Il	Landline
(815) 499	Sterling	United States Cellular Corp. - Illinois	Wireless
(815) 661	Morris	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 350	Dixon	Essex Telcom, Inc.	Landline
(815) 727	New Lenox	Ameritech Illinois	Landline
(815) 869	Streator	Frontier North, Inc. - Il	Landline
(815) 452	Toluca	Frontier North, Inc. - Il	Landline
(815) 366	Ottawa	Broadwing Communications, Llc - Il	Landline
(815) 436	Plainfield	Ameritech Illinois	Landline
(815) 785	Watseka	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 345	Rockford	Level 3 Communications, Llc - Il	Landline
(815) 218	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 548	Rock Falls	Ameritech Illinois	Landline
(815) 414	Earlville	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 773	Joliet	Ameritech Illinois	Landline
(815) 400	Rockford	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 682	Stockland	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 572	Marengo	Broadwing Communications, Llc - Il	Landline
(815) 328	Romeoville	Broadwing Communications, Llc - Il	Landline
(815) 268	Onarga	Ameritech Illinois	Landline
(815) 455	Mchenry	Ameritech Illinois	Landline
(815) 433	Ottawa	Ameritech Illinois	Landline
(815) 596	Marengo	Sbc Internet Services, Inc.	Landline
(815) 946	Polo	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 972	Rockford	Ameritech Illinois	Landline
(815) 266	Lena	Frontier North, Inc. - Il	Landline
(815) 565	Morrison	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 437	Putnam	Frontier North, Inc. - Il	Landline
(815) 313	Ottawa	Broadwing Communications, Llc - Il	Landline
(815) 805	Durand	Aero North Communications, Inc. - Il	Landline
(815) 530	Joliet	Sprint Spectrum L.p.	Landline
(815) 992	Streator	Sprint Spectrum L.p.	Wireless
(815) 531	Joliet	Teleport Communications America, Llc - Il	Landline
(815) 809	Lena	Aero North Communications, Inc. - Il	Landline
(815) 650	Freeport	At&t Local	Landline
(815) 223	La Salle	Ameritech Illinois	Landline
(815) 732	Chana	Frontier North, Inc. - Il	Landline
(815) 347	Woodstock	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 410	La Salle	Level 3 Communications, Llc - Il	Landline
(815) 508	Dekalb	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 897	Lyndon	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 975	Belvidere	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 389	Roscoe	Ameritech Illinois	Landline
(815) 228	Ottawa	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 787	Dekalb	Frontier North, Inc. - Il	Landline
(815) 799	Hopkins Park	Level 3 Communications, Llc - Il	Landline
(815) 237	Braceville	Ameritech Illinois	Landline
(815) 784	Genoa	Frontier North, Inc. - Il	Landline
(815) 380	Sterling	Essex Telcom, Inc.	Landline
(815) 402	Galena	Level 3 Communications, Llc - Il	Landline
(815) 835	Dixon	Essex Telcom, Inc.	Landline
(815) 674	Streator	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 631	Sterling	Ameritech Illinois	Landline
(815) 860	Rockford	Teleport Communications America, Llc - Il	Wireless
(815) 640	Ottawa	Teleport Communications America, Llc - Il	Landline
(815) 828	Minooka	Xo Illinois, Inc.	Landline
(815) 620	Atkinson	Essex Telcom, Inc.	Landline
(815) 768	Lockport	Ameritech Illinois	Wireless
(815) 505	Rockford	T-mobile Usa, Inc.	Wireless
(815) 507	Momence	Level 3 Communications, Llc - Il	Landline
(815) 322	Mchenry	Level 3 Communications, Llc - Il	Landline
(815) 838	Lockport	Ameritech Illinois	Landline
(815) 796	Minonk	Frontier Communications of Prairie, Inc.	Landline
(815) 604	Franklin Grove	Essex Telcom, Inc.	Landline
(815) 290	Minooka	Sbc Internet Services, Inc.	Landline
(815) 214	Kankakee	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 557	Plainfield	Sprint Spectrum L.p.	Wireless
(815) 986	Loves Park	Us Xchange of Illinois Llc Dba Choice One Comm Il	Wireless
(815) 621	Rockford	Sprint Spectrum L.p.	Wireless
(815) 978	Wheeling	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 884	Harvard	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 740	Joliet	Ameritech Illinois	Landline
(815) 830	Oglesby	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 354	Frankfort	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 285	Franklin Grove	Gallatin River Communications Dba Centurylink	Landline
(815) 255	Woodstock	Us Xchange of Illinois Llc Dba Choice One Comm Il	Wireless
(815) 202	Rockford	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 233	Freeport	Frontier North, Inc. - Il	Landline
(815) 323	Belvidere	Level 3 Communications, Llc - Il	Landline
(815) 570	Sandwich	Level 3 Communications, Llc - Il	Landline
(815) 642	Minooka	Broadwing Communications, Llc - Il	Landline
(815) 725	Joliet	Ameritech Illinois	Landline
(815) 880	Woodstock	Xo Illinois, Inc.	Landline
(815) 636	Loves Park	Ameritech Illinois	Landline
(815) 912	Belvidere	Aero North Communications, Inc. - Il	Landline
(815) 375	Romeoville	United States Cellular Corp. - Illinois	Wireless
(815) 680	Manhattan	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 593	Dekalb	At&t Local	Landline
(815) 553	Joliet	Ovation Communications of Illinois, Inc.	Landline
(815) 919	Joliet	T-mobile Usa, Inc.	Wireless
(815) 676	Plainfield	Level 3 Communications, Llc - Il	Landline
(815) 820	Elizabeth	Aero North Communications, Inc. - Il	Landline
(815) 248	Davis	Frontier North, Inc. - Il	Landline
(815) 804	Pecatonica	Aero North Communications, Inc. - Il	Landline
(815) 892	Joliet	Essex Telcom, Inc.	Landline
(815) 669	Mchenry	Level 3 Communications, Llc - Il	Landline
(815) 600	Joliet	New Cingular Wireless Pcs, Llc - Il	Landline
(815) 713	Rockford	New Cingular Wireless Pcs, Llc - Il	Landline
(815) 757	Dekalb	United States Cellular Corp. - Illinois	Wireless
(815) 697	Kankakee	Frontier North, Inc. - Il	Landline
(815) 803	Byron	Aero North Communications, Inc. - Il	Landline
(815) 968	Rockford	Ameritech Illinois	Landline
(815) 761	Dekalb	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 387	Rockford	Ameritech Illinois	Landline
(815) 585	Morris	Level 3 Communications, Llc - Il	Landline
(815) 533	Western Springs	Indiana Paging Ntwk	Wireless
(815) 551	Savanna	Essex Telcom, Inc.	Landline
(815) 207	Joliet	At&t Local	Landline
(815) 905	Romeoville	Level 3 Communications, Llc - Il	Landline
(815) 973	Dixon	United States Cellular Corp. - Illinois	Wireless
(815) 772	Morrison	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 704	South Beloit	Mcleodusa Telecommunications Services, Inc.- Il	Landline
(815) 875	Princeton	Frontier North, Inc. - Il	Landline
(815) 703	Rockford	Sprint Spectrum L.p.	Wireless
(815) 918	Clifton	Level 3 Communications, Llc - Il	Landline
(815) 977	Rockford	Mci Worldcom Communications, Inc. - Il	Landline
(815) 826	Somonauk	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 205	Western Springs	Usa Mobility Wireless, Inc.	Wireless
(815) 526	Crystal Lake	Teleport Communications America, Llc - Il	Landline
(815) 337	Woodstock	Ameritech Illinois	Landline
(815) 346	Gardner	Broadwing Communications, Llc - Il	Landline
(815) 818	Warren	Aero North Communications, Inc. - Il	Landline
(815) 283	Joliet	Mediacom Telephony of Illinois, Llc - Il	Wireless
(815) 431	Ottawa	Ameritech Illinois	Landline
(815) 235	Freeport	Frontier North, Inc. - Il	Landline
(815) 444	Crystal Lake	Ameritech Illinois	Landline
(815) 609	Plainfield	Ameritech Illinois	Landline
(815) 908	Freeport	Sprint Communications Company, L.p. - Il	Wireless
(815) 513	Morris	Level 3 Communications, Llc - Il	Landline
(815) 201	Rockford	Bandwidth.com Clec, Llc - Il	Wireless
(815) 279	Kankakee	American Messaging (am), Inc.	Wireless
(815) 404	Crystal Lake	Sprint Spectrum L.p.	Wireless
(815) 660	Romeoville	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 800	Poplar Grove	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 657	Forrest	Ameritech Illinois	Landline
(815) 957	Rockton	Level 3 Communications, Llc - Il	Landline
(815) 666	Joliet	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 321	Woodstock	Xo Illinois, Inc.	Landline
(815) 516	Rockford	Sprint Spectrum L.p.	Landline
(815) 412	Frankfort	Broadwing Communications, Llc - Il	Landline
(815) 432	Watseka	Ameritech Illinois	Landline
(815) 374	Joliet	Us Xchange of Illinois Llc Dba Choice One Comm Il	Wireless
(815) 926	Wilmington	Broadwing Communications, Llc - Il	Landline
(815) 842	Pontiac	Frontier North, Inc. - Il	Landline
(815) 920	Cornell	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 576	Polo	Essex Telcom, Inc.	Landline
(815) 706	Lyndon	Essex Telcom, Inc.	Landline
(815) 212	Joliet	T-mobile Usa, Inc.	Landline
(815) 504	Gardner	Globalcom, Inc.-il	Landline
(815) 902	Lyndon	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 348	Joliet	Us Xchange of Illinois Llc Dba Choice One Comm Il	Wireless
(815) 590	Sterling	Sprint Spectrum L.p.	Wireless
(815) 527	Woodstock	Teleport Communications America, Llc - Il	Landline
(815) 470	Rockford	Ameritech Illinois	Landline
(815) 394	Rockford	Ameritech Illinois	Landline
(815) 554	Galena	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 305	Gardner	Broadwing Communications, Llc - Il	Landline
(815) 562	Rochelle	Frontier North, Inc. - Il	Landline
(815) 316	Loves Park	Tds Metrocom Inc.-il	Landline
(815) 916	Newark	Sprint Spectrum L.p.	Wireless
(815) 448	Mazon	Ameritech Illinois	Landline
(815) 453	Ashton	Frontier North, Inc. - Il	Landline
(815) 832	Saunemin	Frontier Communications of Illinois, Inc.	Landline
(815) 361	Manhattan	Broadwing Communications, Llc - Il	Landline
(815) 717	New Lenox	Broadwing Communications, Llc - Il	Landline
(815) 952	Lanark	Aero North Communications, Inc. - Il	Landline
(815) 951	Lockport	Essex Telcom, Inc.	Landline
(815) 320	Bourbonnais	Peerless Network of Illinois, Llc - Il	Wireless
(815) 909	Dekalb	T-mobile Usa, Inc.	Landline
(815) 349	Mchenry	Xo Illinois, Inc.	Landline
(815) 829	Chadwick	Essex Telcom, Inc.	Landline
(815) 461	Romeoville	Broadwing Communications, Llc - Il	Landline
(815) 812	Dakota	Aero North Communications, Inc. - Il	Landline
(815) 807	German Valley	Aero North Communications, Inc. - Il	Landline
(815) 855	Milledgeville	Mediacom Telephony of Illinois, Llc - Il	Landline
(815) 953	Bourbonnais	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 965	Rockford	Ameritech Illinois	Landline
(815) 450	Momence	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 203	Joliet	Usa Mobility Wireless, Inc.	Wireless
(815) 365	Reddick	Frontier North, Inc. - Il	Landline
(815) 760	Putnam	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 442	Toluca	Tonica Telephone Co.	Landline
(815) 509	Poplar Grove	Sprint Spectrum L.p.	Wireless
(815) 834	Romeoville	Ameritech Illinois	Landline
(815) 415	Seneca	Ameritech Illinois	Landline
(815) 326	Oglesby	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 338	Woodstock	Ameritech Illinois	Landline
(815) 702	Saunemin	Sprint Communications Company, L.p. - Il	Landline
(815) 306	Romeoville	Broadwing Communications, Llc - Il	Landline
(815) 868	Winslow	Frontier North, Inc. - Il	Landline
(815) 750	Marseilles	Mtco Communications, Inc.	Landline
(815) 610	Cornell	Bitwise Communications, Inc. - Il	Landline
(815) 984	Wellington	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 471	Watseka	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 221	Romeoville	Teleport Communications America, Llc - Il	Landline
(815) 598	Elizabeth	Frontier North, Inc. - Il	Landline
(815) 707	Gilman	Level 3 Communications, Llc - Il	Landline
(815) 244	Mount Carroll	Gallatin River Communications Dba Centurylink	Landline
(815) 390	Braidwood	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 901	Dekalb	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 964	Rockford	Ameritech Illinois	Landline
(815) 870	Rockford	Usa Mobility Wireless, Inc.	Wireless
(815) 315	Rockford	Level 3 Communications, Llc - Il	Landline
(815) 833	Lena	Aero North Communications, Inc. - Il	Landline
(815) 605	Grant Park	Level 3 Communications, Llc - Il	Landline
(815) 518	Coal City	Globalcom, Inc.-il	Landline
(815) 668	Joliet	Neutral Tandem-illinois, Llc - Il	Wireless
(815) 917	Rochelle	Essex Telcom, Inc.	Landline
(815) 356	Crystal Lake	Ameritech Illinois	Landline
(815) 852	Romeoville	Aero North Communications, Inc. - Il	Landline
(815) 656	Freeport	Level 3 Communications, Llc - Il	Landline
(815) 981	Ottawa	Level 3 Communications, Llc - Il	Landline
(815) 478	Manhattan	Ameritech Illinois	Landline
(815) 814	Woodstock	T-mobile Usa, Inc.	Wireless
(815) 534	Frankfort	Level 3 Communications, Llc - Il	Landline
(815) 284	Sterling	Gallatin River Communications Dba Centurylink	Landline
(815) 728	Ringwood	Frontier North, Inc. - Il	Landline
(815) 872	Princeton	Frontier North, Inc. - Il	Landline
(815) 352	Kankakee	Broadwing Communications, Llc - Il	Landline
(815) 980	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 630	Joliet	T-mobile Usa, Inc.	Wireless
(815) 810	Pearl City	Aero North Communications, Inc. - Il	Landline
(815) 963	Rockford	Ameritech Illinois	Landline
(815) 822	Grand Ridge	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 767	Joliet	American Messaging (am), Inc.	Wireless
(815) 759	Mchenry	Ameritech Illinois	Landline
(815) 840	Stockton	Aero North Communications, Inc. - Il	Landline
(815) 751	Dekalb	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 479	Crystal Lake	Ameritech Illinois	Landline
(815) 783	Gilman	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 823	Joliet	Xo Illinois, Inc.	Landline
(815) 888	Rochelle	Level 3 Communications, Llc - Il	Landline
(815) 459	Mchenry	Ameritech Illinois	Landline
(815) 243	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 529	Joliet	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 993	Oglesby	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 766	Dekalb	United States Cellular Corp. - Illinois	Wireless
(815) 989	Prophetstown	Sprint Communications Company, L.p. - Il	Landline
(815) 371	Utica	Broadwing Communications, Llc - Il	Landline
(815) 417	Braidwood	Ameritech Illinois	Landline
(815) 367	Winslow	Frontier North, Inc. - Il	Landline
(815) 651	Joliet	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 213	Sterling	United States Cellular Corp. - Illinois	Wireless
(815) 580	Rockford	At&t Local	Landline
(815) 685	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 612	Graymont	Bitwise Communications, Inc. - Il	Landline
(815) 999	Joliet	United States Cellular Corp. - Illinois	Landline
(815) 281	Galena	United States Cellular Corp. - Illinois	Wireless
(815) 871	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 573	Kankakee	Level 3 Communications, Llc - Il	Landline
(815) 889	Milford	Frontier Communications of the Carolinas, Inc - Il	Landline
(815) 217	Dekalb	Digital Network Access Communications, Inc. - Il	Landline
(815) 691	Utica	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 222	Loves Park	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 798	Milledgeville	Essex Telcom, Inc.	Landline
(815) 364	Reddick	Broadwing Communications, Llc - Il	Landline
(815) 931	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 549	Kankakee	Sprint Spectrum L.p.	Wireless
(815) 441	Polo	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 741	Joliet	Ameritech Illinois	Landline
(815) 603	Kankakee	T-mobile Usa, Inc.	Wireless
(815) 791	Joliet	Sprint Spectrum L.p.	Wireless
(815) 716	Sterling	Sprint Spectrum L.p.	Wireless
(815) 440	Dixon	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 733	Plainfield	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 687	Woodstock	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 528	Mchenry	Teleport Communications America, Llc - Il	Landline
(815) 671	Joliet	Level 3 Communications, Llc - Il	Landline
(815) 878	Princeton	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 422	Saint Anne	Ameritech Illinois	Landline
(815) 788	Crystal Lake	Ameritech Illinois	Landline
(815) 483	Joliet	Sprint Spectrum L.p.	Wireless
(815) 991	Sycamore	Essex Telcom, Inc.	Landline
(815) 709	Coal City	Level 3 Communications, Llc - Il	Landline
(815) 271	Mchenry	Mci Worldcom Communications, Inc. - Il	Landline
(815) 525	South Beloit	Tds Metrocom Inc.-il	Landline
(815) 982	Tampico	Essex Telcom, Inc.	Landline
(815) 344	Mchenry	Ameritech Illinois	Landline
(815) 490	Rockford	Ameritech Illinois	Landline
(815) 476	Wilmington	Ameritech Illinois	Landline
(815) 893	Crystal Lake	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(815) 816	Freeport	Aero North Communications, Inc. - Il	Landline
(815) 990	Freeport	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 997	Rockford	Mcleodusa Telecommunications Services, Inc.- Il	Landline
(815) 238	Davis	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 913	Joliet	Sprint Communications Company, L.p. - Il	Landline
(815) 309	Shannon	Aero North Communications, Inc. - Il	Landline
(815) 836	Lockport	Ameritech Illinois	Landline
(815) 566	Belvidere	Level 3 Communications, Llc - Il	Landline
(815) 719	Princeton	Sprint Spectrum L.p.	Wireless
(815) 236	Mchenry	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 200	La Salle	Paetec Communications, Inc. - Il	Landline
(815) 608	Rockford	T-mobile Usa, Inc.	Wireless
(815) 742	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 408	Utica	Globalcom, Inc.-il	Landline
(815) 546	Joliet	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 382	Crystal Lake	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 474	Morris	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 797	Somonauk	Level 3 Communications, Llc - Il	Landline
(815) 419	Pontiac	At&t Local	Landline
(815) 303	Princeton	Illinois Valley Cellular Rsa 2-i Partnership	Wireless
(815) 324	Joliet	Mediacom Telephony of Illinois, Llc - Il	Wireless
(815) 721	Rockford	At&t Local	Landline
(815) 794	Marseilles	Marseilles Telephone Co. of Marseilles	Landline
(815) 904	Rockford	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 752	Dekalb	Frontier North, Inc. - Il	Landline
(815) 378	Rockford	Sprint Spectrum L.p.	Wireless
(815) 720	Rockford	Ameritech Illinois	Landline
(815) 776	Galena	Ameritech Illinois	Landline
(815) 883	Oglesby	Ameritech Illinois	Landline
(815) 258	Manteno	New Cingular Wireless Pcs, Llc - Il	Wireless
(815) 550	Grant Park	Broadwing Communications, Llc - Il	Landline
(815) 956	Morrison	Citizens Telecom Co Illinois-frontier Citizens -il	Landline
(815) 930	Elizabeth	Sprint Communications Company, L.p. - Il	Landline
(815) 520	Rockford	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(815) 257	Streator	Illinois Valley Cellular Rsa 2-ii Partnership	Wireless
(815) 276	Crystal Lake	Teleport Communications America, Llc - Il	Landline
(815) 477	Crystal Lake	Ameritech Illinois	Landline
(815) 801	Freeport	Aero North Communications, Inc. - Il	Landline
(815) 480	Rockford	Usa Mobility Wireless, Inc.	Wireless
(815) 775	Woodstock	Usa Mobility Wireless, Inc.	Wireless
(815) 310	Utica	Broadwing Communications, Llc - Il	Landline
(815) 619	Rockton	Aero North Communications, Inc. - Il	Landline
(815) 333	Cary	Broadwing Communications, Llc - Il	Landline
(815) 749	Rockford	Answer America Dba Answer Usa	Wireless
(815) 665	Ottawa	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 494	Rockford	United States Cellular Corp. - Illinois	Wireless
(815) 327	Plainfield	Broadwing Communications, Llc - Il	Landline
(815) 510	Joliet	Mediacom Telephony of Illinois, Llc - Il	Wireless
(815) 900	Amboy	Denali Spectrum License, Llc	Landline
(815) 649	Gardner	Rcn Telecom Services of Illinois, Inc. - Il	Landline
(815) 817	Hanover	Aero North Communications, Inc. - Il	Landline
(815) 418	Manhattan	Globalcom, Inc.-il	Landline