872 Area Code in Illinois, United States

Description

Area code 872 is an overlay for both 312 and 773, covering all of Chicago, including downtown and surrounding neighborhoods. It was introduced in 2009 to relieve pressure on the existing codes and ensure continued number availability. The addition of 872 required ten-digit dialing throughout the entire city. While 872 is more common on newer phone lines, 312 and 773 remain more widely recognized and preferred for their legacy. Still, 872 has become a standard part of Chicago’s telecommunications landscape, helping support the city’s ongoing growth in residential, commercial, and mobile usage.

Time & Time Zone

Time zone:

Central (GMT -06:00)

Current time:

Map

Major Cities

City

Prefixes

Chicago

(872) 201 ,

(872) 202 ,

(872) 203 ,

(872) 205 ,

(872) 206 ,

(872) 207 ,

(872) 208 ,

(872) 209 ,

(872) 210 ,

(872) 212 ,

(872) 213 ,

(872) 214 ,

(872) 215 ,

(872) 216 ,

(872) 220 ,

(872) 221 ,

(872) 222 ,

(872) 223 ,

(872) 225 ,

(872) 226 ,

(872) 228 ,

(872) 230 ,

(872) 232 ,

(872) 233 ,

(872) 237 ,

(872) 240 ,

(872) 244 ,

(872) 247 ,

(872) 253 ,

(872) 301 ,

(872) 333 ,

(872) 356 ,

(872) 395 ,

(872) 400 ,

(872) 444 ,

(872) 465 ,

(872) 484 ,

(872) 588 ,

(872) 600 ,

(872) 639 ,

(872) 666 ,

(872) 702 ,

(872) 777 ,

(872) 800 ,

(872) 825 ,

(872) 829 ,

(872) 888 ,

(872) 999

Counties

County

Prefixes

Cook

(872) 201 ,

(872) 202 ,

(872) 203 ,

(872) 205 ,

(872) 206 ,

(872) 207 ,

(872) 208 ,

(872) 209 ,

(872) 210 ,

(872) 212 ,

(872) 213 ,

(872) 214 ,

(872) 215 ,

(872) 216 ,

(872) 220 ,

(872) 221 ,

(872) 222 ,

(872) 223 ,

(872) 225 ,

(872) 226 ,

(872) 228 ,

(872) 230 ,

(872) 232 ,

(872) 233 ,

(872) 237 ,

(872) 240 ,

(872) 244 ,

(872) 247 ,

(872) 253 ,

(872) 301 ,

(872) 333 ,

(872) 356 ,

(872) 395 ,

(872) 400 ,

(872) 444 ,

(872) 465 ,

(872) 484 ,

(872) 588 ,

(872) 600 ,

(872) 639 ,

(872) 666 ,

(872) 702 ,

(872) 777 ,

(872) 800 ,

(872) 825 ,

(872) 829 ,

(872) 888 ,

(872) 999

Telephone Carriers

Carrier	Type	Prefixes (%)
T Mobile Usa Inc		30%
Sprint Spectrum L P	Wireless	18%
Neutral Tandem Illinois Llc Il	Landline	11%
Cygnus Telecommunications Corporation Il	Landline	8%
Bandwidth Com Clec Llc Il	Landline	8%
Denali Spectrum License Llc	Wireless	7%
Cellco Partnership Dba Verizon Wireless Il	Wireless	5%
Ameritech Illinois	Landline	3%
New Cingular Wireless Pcs Llc Il	Wireless	3%
Sbc Internet Services Inc	Landline	2%
Comcast Phone Of Illinois Llc Dba Comco Il	Landline	2%
Level 3 Communications Llc Il	Landline	2%

Prefixes

Prefix	City	Carrier	Type
(872) 825	Chicago	Ameritech Illinois	Landline
(872) 230	Chicago	Sprint Spectrum L.p.	Wireless
(872) 203	Chicago	Bandwidth.com Clec, Llc - Il	Landline
(872) 777	Chicago	Cygnus Telecommunications Corporation - Il	Landline
(872) 639	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 444	Chicago	Cygnus Telecommunications Corporation - Il	Landline
(872) 400	Chicago	Denali Spectrum License, Llc	Wireless
(872) 484	Chicago	Sprint Spectrum L.p.	Wireless
(872) 220	Chicago	Sprint Spectrum L.p.	Wireless
(872) 235		T-mobile Usa, Inc.
(872) 803		T-mobile Usa, Inc.
(872) 207	Chicago	Bandwidth.com Clec, Llc - Il	Landline
(872) 253	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 208	Chicago	Level 3 Communications, Llc - Il	Landline
(872) 223	Chicago	Sprint Spectrum L.p.	Landline
(872) 216	Chicago	Bandwidth.com Clec, Llc - Il	Landline
(872) 666	Chicago	Cygnus Telecommunications Corporation - Il	Landline
(872) 800	Chicago	Sprint Spectrum L.p.	Wireless
(872) 218		T-mobile Usa, Inc.
(872) 228	Chicago	Denali Spectrum License, Llc	Wireless
(872) 999	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 888	Chicago	Cygnus Telecommunications Corporation - Il	Landline
(872) 305		T-mobile Usa, Inc.
(872) 465	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 600	Chicago	Sprint Spectrum L.p.	Wireless
(872) 225	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 247	Chicago	Ameritech Illinois	Landline
(872) 221	Chicago	Bandwidth.com Clec, Llc - Il	Wireless
(872) 356	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 227		T-mobile Usa, Inc.
(872) 237	Chicago	Sprint Spectrum L.p.	Wireless
(872) 244	Chicago	Sbc Internet Services, Inc.	Landline
(872) 213	Chicago	Sprint Spectrum L.p.	Wireless
(872) 226	Chicago	Sprint Spectrum L.p.	Wireless
(872) 234		T-mobile Usa, Inc.
(872) 243		T-mobile Usa, Inc.
(872) 240	Chicago	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(872) 209	Chicago	T-mobile Usa, Inc.	Wireless
(872) 201	Chicago	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(872) 205	Chicago	Bandwidth.com Clec, Llc - Il	Landline
(872) 829	Chicago	Neutral Tandem-illinois, Llc - Il	Landline
(872) 206	Chicago	Comcast Phone of Illinois, Llc Dba Comco - Il	Landline
(872) 210	Chicago	T-mobile Usa, Inc.	Wireless
(872) 395	Chicago	Denali Spectrum License, Llc	Wireless
(872) 214	Chicago	T-mobile Usa, Inc.	Wireless
(872) 303		T-mobile Usa, Inc.
(872) 702	Chicago	Sprint Spectrum L.p.	Wireless
(872) 239		T-mobile Usa, Inc.
(872) 229
(872) 236		T-mobile Usa, Inc.
(872) 222	Chicago	Denali Spectrum License, Llc	Wireless
(872) 202	Chicago	New Cingular Wireless Pcs, Llc - Il	Wireless
(872) 232	Chicago	Sprint Spectrum L.p.	Wireless
(872) 301	Chicago	T-mobile Usa, Inc.	Wireless
(872) 233	Chicago	T-mobile Usa, Inc.	Wireless
(872) 212	Chicago	T-mobile Usa, Inc.	Wireless
(872) 588	Chicago	New Cingular Wireless Pcs, Llc - Il	Wireless
(872) 215	Chicago	Cellco Partnership Dba Verizon Wireless - Il	Wireless
(872) 238		T-mobile Usa, Inc.
(872) 333	Chicago	Cygnus Telecommunications Corporation - Il	Landline
(872) 801		T-mobile Usa, Inc.