605 Area Code in South Dakota, United States
Description
Area code 605 covers the entire state of South Dakota and is one of the few single area codes still in use statewide. Established in 1947 as one of the original area codes, it serves cities such as Sioux Falls, Rapid City, Aberdeen, and Pierre. The state’s small population and geographic distribution have allowed 605 to remain unchanged without the need for splits or overlays. It is frequently used in statewide marketing and business names, serving as a recognizable badge of South Dakota identity. The code spans a diverse landscape of agriculture, tourism, and tribal nations. 605 is a proud symbol of the state’s unity and rural heritage.
Time & Time Zone
Time zone:
Central (GMT -06:00) Current time:
Map
Major Cities
| City | Prefixes |
|---|---|
| | |
| | |
Counties
| County | Prefixes |
|---|---|
| Minnehaha | |
| Pennington | |
| Lincoln | |
| Brown | |
| Union | |
| Meade | |
| Brookings | |
| Lawrence | |
| Clay | |
| Codington | |
| Hughes | |
| Lake | |
| Yankton | |
| Grant | |
| Roberts | |
| Davison | |
| Spink | |
| Kingsbury | |
| Beadle | |
| Charles Mix | |
| Turner | |
| Day | |
| Mccook | |
| Hamlin | |
| Brule | |
| Bennett | |
| Sanborn | |
| Edmunds | |
| Hutchinson | |
| Custer | |
| Clark | |
| Mcpherson | |
| Moody | |
| Marshall | |
| Butte | |
| Gregory | |
| Faulk | |
| Fall River | |
| Hand | |
| Potter | |
| Walworth | |
| Bon Homme | |
| Todd | |
| Haakon | |
| Tripp | |
| Perkins | |
| Corson | |
| Deuel | |
| Jackson | |
| Harding | |
| Hanson | |
| Dewey | |
| Hyde | |
| Aurora | |
| Campbell | |
| Shannon | |
| Lyman | |
| Ziebach | |
| Sully | |
| Douglas | |
| Stanley | |
| Jones | |
| Jerauld | |
| Miner | |
| Cherry | |
| Mellette | |
| Bowman | |
| Buffalo | |
| Adams | |
| Pipestone | |
| Plymouth | |
| Rock | |
| Dickey | |
| Weston | |
| Traverse |
Telephone Carriers
| Carrier | Type | Prefixes (%) |
|---|---|---|
| Qwest Corporation | Landline | 23% |
| Cellco Partnership Dba Verizon Wireless Sd | Wireless | 8% |
| New Cingular Wireless Pcs Llc Il | Wireless | 8% |
| Interstate Telecom Coop Inc South Dakota | Landline | 6% |
| Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | 5% |
| Venture Communications Cooperative | Landline | 5% |
| Vivian Tel Co Dba Golden West Telecommunications | Landline | 4% |
| Knology Community Telephone Inc | Landline | 3% |
| James Valley Cooperative Telephone Company | Landline | 3% |
| Midcontinent Communications Sd | Landline | 3% |
| West River Cooperative Telephone Company | Landline | 2% |
| Valley Telecom Cooperative Association Inc | Landline | 2% |
| Santel Communications Cooperative Inc Sd | Landline | 2% |
| Midstate Communications Inc | Landline | 2% |
| Knology Of The Plains Inc Sd | Landline | 2% |
| Mccook Cooperative Telephone Company | Landline | 1% |
| Alliance Comm Coopeative Inc Split Rock | Landline | 1% |
| Rc Communications Inc | Landline | 1% |
| Brookings Municipal Utilities | Wireless | 1% |
| Consolidated Telcom | Landline | 1% |
| Cheyenne River Sioux Tribal Telephone Auth | Landline | 1% |
| Western Telephone Co | Landline | 1% |
| Level 3 Communications Llc Sd | Landline | 1% |
| Alliance Communications Cooperative Inc Baltic | Landline | 1% |
| Sioux Valley Tel Dba Golden West Telecommunication | Landline | 1% |
| Stockholm Strandburg Telephone Co | Landline | 1% |
| Knology Of The Black Hills Llc Sd | Landline | 1% |
| Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | 1% |
| Great Plains Communications Inc | Landline | 1% |
| At T Local | Landline | 1% |
| Mcleodusa Telecommunications Services Inc Sd | Landline | < 1% |
| Union Tel Co Dba Golden West Telecommunications | Landline | < 1% |
| City Of Brookings Municipal Telephone Dept | Landline | < 1% |
| 365 Wireless Llc | Wireless | < 1% |
| Northern Valley Communications Llc | Landline | < 1% |
| Rc Communications Inc Sd | Landline | < 1% |
| Iowa Wireless Services Lp | Wireless | < 1% |
| West River Telecommunications Coop Mobridge Sd | Landline | < 1% |
| Sancom Inc Dba Mitchell Telecom Sd | Landline | < 1% |
| Tc Systems Inc Sd | Landline | < 1% |
| Valley Telephone Co | Landline | < 1% |
| City Of Faith Municipal Telephone Co | Landline | < 1% |
| Roberts County Telephone Cooperative Assn | Landline | < 1% |
| Sstelecom Inc Sd | Landline | < 1% |
| Native American Telecom Pine Ridge Llc Sd | Landline | < 1% |
| Dakotacomm Llc Sd | < 1% | |
| Long Lines Metro Llc Sd | Landline | < 1% |
| Rt Communications | Landline | < 1% |
| Three River Telephone Company | Landline | < 1% |
| Mcc Telephony Of The Mid West Llc Sd | Landline | < 1% |
| Interstate Telecom Coop Inc Minnesota | Landline | < 1% |
| 360 Networks Usa Inc Sd | Wireless | < 1% |
| Jefferson Telephone Co | Landline | < 1% |
| Ymax Communications Corp Sd | Landline | < 1% |
| Fibercom L C | Landline | < 1% |
| Red River Rural Tel Assn Dba Red River Comm Nd | Landline | < 1% |
| Midstate Telecom Inc Sd | Landline | < 1% |
| Alliance Communications Cooperative Inc Sd | Landline | < 1% |
| Northeast Nebraska Telephone Co | Landline | < 1% |
| Sprint Communications Company L P Sd | Landline | < 1% |
| South Dakota Network Llc | Landline | < 1% |
| Citizens Telecom Co Mn Frontier Citizens Com Mn | Landline | < 1% |
| Heartland Telecom Company Of Iowa Dba Hickorytech | Landline | < 1% |
| Standing Rock Telecommunications Inc | Wireless | < 1% |
| Kadoka Tel Co Dba Golden West Telecommunications | Landline | < 1% |
| Armour Independent Tel Co Dba Golden West Telcomm | Landline | < 1% |
| Farmers Mutual Telephone Co | Landline | < 1% |
| Kennebec Telephone Co | Landline | < 1% |
| Bandwidth Com Clec Llc Sd | Landline | < 1% |
| Tri County Telcom Inc | Landline | < 1% |
| West River Telecommunications Cooperative Sd | Landline | < 1% |
| Beresford Municipal Telephone Co | Landline | < 1% |
| Dickey Rural Telephone Cooperative | Landline | < 1% |
| Mcimetro Access Transmission Services Llc | Landline | < 1% |
| Long Lines Wireless Llc | Wireless | < 1% |
| Native American Telecom Llc Sd | Landline | < 1% |
| Aerial Communications | Wireless | < 1% |
Prefixes
| Prefix | City | Carrier | Type |
|---|---|---|---|
| Aberdeen | Qwest Corporation | Landline | |
| Wentworth | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Dell Rapids | Alliance Communications Cooperative, Inc. (baltic) | Landline | |
| Lead | Knology of the Black Hills, Llc - Sd | Landline | |
| Scotland | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Sturgis | Qwest Corporation | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Hosmer | Valley Telecom Cooperative Association, Inc. | Landline | |
| Ludlow | Consolidated Telcom | Landline | |
| Sioux Falls | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Forbes | Dickey Rural Telephone Cooperative | Landline | |
| Milbank | Rc Communications, Inc. - Sd | Landline | |
| Aberdeen | Qwest Corporation | Landline | |
| Mc Laughlin | West River Telecommunications Cooperative - Sd | Landline | |
| Winfred | Mccook Cooperative Telephone Company | Landline | |
| Webster | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Jefferson | Qwest Corporation | Landline | |
| Irene | Knology Community Telephone, Inc. | Landline | |
| Lake Andes | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Rapid City | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Strandburg | Stockholm - Strandburg Telephone Co. | Landline | |
| Orient | Western Telephone Co. | Landline | |
| Sturgis | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Peever | Rc Communications, Inc. | Landline | |
| Houghton | James Valley Cooperative Telephone Company | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Vivian | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Groton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Lake Norden | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sturgis | Midcontinent Communications - Sd | Landline | |
| Agar | Venture Communications Cooperative | Landline | |
| Dell Rapids | Alliance Comm. Coopeative, Inc. (split Rock) | Landline | |
| Castlewood | Mcc Telephony of the Mid-west, Llc - Sd | Landline | |
| Mitchell | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Hazel | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Faulkton | Western Telephone Co. | Landline | |
| Bath | Qwest Corporation | Landline | |
| Jefferson | Qwest Corporation | Landline | |
| Arlington | Alliance Comm. Coopeative, Inc. (split Rock) | Landline | |
| Valley Springs | Alliance Communications Cooperative, Inc. - Sd | Landline | |
| Bison | West River Cooperative Telephone Company | Landline | |
| Colome | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Faulkton | Western Telephone Co. | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Spencer | Mccook Cooperative Telephone Company | Landline | |
| Houghton | James Valley Cooperative Telephone Company | Landline | |
| Aurora | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Brookings | City of Brookings Municipal Telephone Dept. | Landline | |
| Geddes | Midstate Communications, Inc. | Landline | |
| Vermillion | Sprint Communications Company, L.p. - Sd | Landline | |
| Philip | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Crooks | Alliance Communications Cooperative, Inc. (baltic) | Landline | |
| Alexandria | Santel Communications Cooperative, Inc.-sd | Landline | |
| Lennox | Knology Community Telephone, Inc. | Landline | |
| Rosholt | Valley Telephone Co. | Landline | |
| Wakpala | Standing Rock Telecommunications, Inc. | Wireless | |
| Summit | Rc Communications, Inc. | Landline | |
| Parkston | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Ludlow | Consolidated Telcom | Landline | |
| Mobridge | West River Telecommunications Coop (mobridge) - Sd | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Eureka | Valley Telecom Cooperative Association, Inc. | Landline | |
| Sioux Falls | Aerial Communications | Wireless | |
| Miller | Wireless | ||
| Miller | Midcontinent Communications - Sd | Landline | |
| Flandreau | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| White | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Frederick | James Valley Cooperative Telephone Company | Landline | |
| Mitchell | Qwest Corporation | Landline | |
| Jefferson | Long Lines Metro, Llc - Sd | Landline | |
| Hosmer | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | At&t Local | Landline | |
| Saint Onge | Qwest Corporation | Landline | |
| Vermillion | Midcontinent Communications - Sd | Landline | |
| Hoven | Venture Communications Cooperative | Landline | |
| Winner | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Hosmer | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Wagner | Armour Independent Tel Co Dba Golden West Telcomm | Landline | |
| Quinn | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Chamberlain | Qwest Corporation | Landline | |
| Dimock | Santel Communications Cooperative, Inc.-sd | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Groton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Mobridge | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sisseton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Highmore | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Colton | Sioux Valley Tel Dba Golden West Telecommunication | Landline | |
| Parker | Knology Community Telephone, Inc. | Landline | |
| Erwin | Qwest Corporation | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Rapid City | At&t Local | Landline | |
| Jefferson | Knology of the Plains, Inc. - Sd | Landline | |
| Geddes | Midstate Communications, Inc. | Landline | |
| Kadoka | Kadoka Tel Co Dba Golden West Telecommunications | Landline | |
| Beresford | Beresford Municipal Telephone Co. | Landline | |
| Sisseton | Venture Communications Cooperative | Landline | |
| Lower Brule | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Rapid City | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Iroquois | Qwest Corporation | Landline | |
| Gettysburg | Venture Communications Cooperative | Landline | |
| Britton | Dickey Rural Telephone Cooperative | Landline | |
| Scotland | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Pukwana | Midstate Communications, Inc. | Landline | |
| Sioux Falls | Ymax Communications Corp. - Sd | Landline | |
| Kimball | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Alcester | Knology Community Telephone, Inc. | Landline | |
| Brookings | Brookings Municipal Utilities | Wireless | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Platte | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Mission Hill | Qwest Corporation | Landline | |
| Wentworth | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Keystone | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Lake Preston | Qwest Corporation | Landline | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Yale | Qwest Corporation | Landline | |
| Sioux Falls | At&t Local | Landline | |
| Herreid | Valley Telecom Cooperative Association, Inc. | Landline | |
| Freeman | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Pierre | Level 3 Communications, Llc - Sd | Landline | |
| Canistota | Armour Independent Tel Co Dba Golden West Telcomm | Landline | |
| Newcastle | Rt Communications | Landline | |
| Canton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sioux Falls | Knology of the Plains, Inc. - Sd | Landline | |
| Lennox | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sturgis | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Britton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Custer | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Rapid City | Qwest Corporation | Landline | |
| Murdo | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Hendricks | Interstate Telecom. Coop., Inc. - Minnesota | Landline | |
| Fedora | Santel Communications Cooperative, Inc.-sd | Landline | |
| Lead | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Parmelee | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Gary | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Belvidere | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Astoria | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Pine Ridge | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Hartford | Union Tel. Co. Dba Golden West Telecommunications | Landline | |
| Brookings | Qwest Corporation | Landline | |
| Hudson | Alliance Communications Cooperative, Inc. (baltic) | Landline | |
| Monroe | Knology Community Telephone, Inc. | Landline | |
| Belvidere | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Harrisburg | Qwest Corporation | Landline | |
| Springfield | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Clear Lake | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Onaka | Venture Communications Cooperative | Landline | |
| Reva | West River Cooperative Telephone Company | Landline | |
| Bowdle | Venture Communications Cooperative | Landline | |
| Vermillion | Landline | ||
| Lebanon | Venture Communications Cooperative | Landline | |
| Lennox | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Mitchell | Qwest Corporation | Landline | |
| Milbank | Stockholm - Strandburg Telephone Co. | Landline | |
| Pringle | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Rapid City | Knology of the Black Hills, Llc - Sd | Landline | |
| Corona | Qwest Corporation | Landline | |
| Mount Vernon | Santel Communications Cooperative, Inc.-sd | Landline | |
| Lemmon | West River Cooperative Telephone Company | Landline | |
| Smithwick | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Cody | Great Plains Communications, Inc. | Landline | |
| Harrold | Venture Communications Cooperative | Landline | |
| Milbank | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Milbank | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Yankton | Qwest Corporation | Landline | |
| Centerville | Knology Community Telephone, Inc. | Landline | |
| Wasta | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Yankton | Midcontinent Communications - Sd | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Midland | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Sioux Falls | Aerial Communications | Wireless | |
| Woonsocket | Santel Communications Cooperative, Inc.-sd | Landline | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Astoria | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Hartford | Sioux Valley Tel Dba Golden West Telecommunication | Landline | |
| Hitchcock | Venture Communications Cooperative | Landline | |
| Elk Point | Jefferson Telephone Co. | Landline | |
| Wood | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Fort Pierre | Qwest Corporation | Landline | |
| Whitewood | Qwest Corporation | Landline | |
| Florence | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Yankton | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Pierpont | Venture Communications Cooperative | Landline | |
| North Sioux City | Long Lines Metro, Llc - Sd | Landline | |
| Dupree | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Watertown | Knology of the Plains, Inc. - Sd | Landline | |
| Reva | West River Cooperative Telephone Company | Landline | |
| Ellsworth Afb | Qwest Corporation | Landline | |
| Agar | Venture Communications Cooperative | Landline | |
| Java | Valley Telecom Cooperative Association, Inc. | Landline | |
| Sturgis | Qwest Corporation | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Level 3 Communications, Llc - Sd | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Rapid City | West River Cooperative Telephone Company | Landline | |
| Winfred | Alliance Comm. Coopeative, Inc. (split Rock) | Landline | |
| Corsica | Sioux Valley Tel Dba Golden West Telecommunication | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Whitewood | Qwest Corporation | Landline | |
| Meadow | West River Cooperative Telephone Company | Landline | |
| Virgil | Santel Communications Cooperative, Inc.-sd | Landline | |
| Sioux Falls | Knology of the Plains, Inc. - Sd | Landline | |
| Ferney | James Valley Cooperative Telephone Company | Landline | |
| Parmelee | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Viborg | Knology of the Plains, Inc. - Sd | Landline | |
| Bryant | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Volga | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Watertown | Wireless | ||
| Sioux Falls | Qwest Corporation | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Pickstown | Northeast Nebraska Telephone Co. | Landline | |
| Glencross | Qwest Corporation | Landline | |
| White | Mcc Telephony of the Mid-west, Llc - Sd | Landline | |
| Yankton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| New Underwood | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Ashton | Qwest Corporation | Landline | |
| Watertown | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Mission | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Volga | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Faith | City of Faith Municipal Telephone Co. | Landline | |
| Parker | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Elk Point | Knology of the Plains, Inc. - Sd | Landline | |
| Britton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Wasta | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Winner | Bandwidth.com Clec, Llc - Sd | Landline | |
| Volga | Qwest Corporation | Landline | |
| Martin | Great Plains Communications, Inc. | Landline | |
| Raymond | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Milbank | Rc Communications, Inc. | Landline | |
| Bruce | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Winner | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Miller | Midstate Communications, Inc. | Landline | |
| Langford | Venture Communications Cooperative | Landline | |
| Eureka | Valley Telecom Cooperative Association, Inc. | Landline | |
| Viborg | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Edgemont | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Parkston | Santel Communications Cooperative, Inc.-sd | Landline | |
| Sioux Falls | Level 3 Communications, Llc - Sd | Landline | |
| Custer | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Mitchell | Midcontinent Communications - Sd | Landline | |
| Valentine | Great Plains Communications, Inc. | Landline | |
| Sioux Falls | Bandwidth.com Clec, Llc - Sd | Landline | |
| Pierre | Qwest Corporation | Landline | |
| Ramona | Mccook Cooperative Telephone Company | Landline | |
| Stratford | James Valley Cooperative Telephone Company | Landline | |
| Tabor | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Salem | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Kyle | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Gettysburg | Venture Communications Cooperative | Landline | |
| Winner | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Akaska | Valley Telecom Cooperative Association, Inc. | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Box Elder | Qwest Corporation | Landline | |
| Akron | Heartland Telecom Company of Iowa Dba Hickorytech | Landline | |
| Huron | Qwest Corporation | Landline | |
| Roscoe | Valley Telecom Cooperative Association, Inc. | Landline | |
| Tyndall | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Burbank | Qwest Corporation | Landline | |
| Revillo | Farmers Mutual Telephone Co. | Landline | |
| Emery | Tri-county Telcom, Inc. | Landline | |
| Spearfish | Cellco Partnership Dba Verizon Wireless - Sd | Landline | |
| Aberdeen | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rapid City | Level 3 Communications, Llc - Sd | Landline | |
| Pickstown | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Mission Hill | Qwest Corporation | Landline | |
| Valley Springs | Alliance Comm. Coopeative, Inc. (split Rock) | Landline | |
| Hartford | Union Tel. Co. Dba Golden West Telecommunications | Landline | |
| Chamberlain | Midstate Communications, Inc. | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Mission | Qwest Corporation | Landline | |
| Sioux Falls | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Ree Heights | Venture Communications Cooperative | Landline | |
| Northville | James Valley Cooperative Telephone Company | Landline | |
| Lennox | Knology Community Telephone, Inc. | Landline | |
| Canton | Brookings Municipal Utilities | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Union | Cellco Partnership Dba Verizon Wireless - Sd | ||
| Sioux Falls | Knology of the Plains, Inc. - Sd | Landline | |
| De Smet | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rapid City | Qwest Corporation | Landline | |
| Hill City | Qwest Corporation | Landline | |
| Emery | Tri-county Telcom, Inc. | Landline | |
| Vienna | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Webster | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Brandon | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Redfield | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Hitchcock | Venture Communications Cooperative | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Quinn | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Eden | Venture Communications Cooperative | Landline | |
| Winfred | Mccook Cooperative Telephone Company | Landline | |
| Lemmon | Consolidated Telcom | Landline | |
| Miller | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Frederick | James Valley Cooperative Telephone Company | Landline | |
| Watertown | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Avon | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Eagle Butte | Cheyenne River Sioux Tribal Telephone Auth. | Landline | |
| Springfield | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Harrisburg | Knology of the Plains, Inc. - Sd | Landline | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Vermillion | Brookings Municipal Utilities | Wireless | |
| Sioux Falls | Mcleodusa Telecommunications Services, Inc.- Sd | Landline | |
| Deadwood | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Caputa | Qwest Corporation | Landline | |
| Mount Vernon | Santel Communications Cooperative, Inc.-sd | Landline | |
| White Lake | Midstate Communications, Inc. | Landline | |
| Wall | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Sisseton | Mcc Telephony of the Mid-west, Llc - Sd | Wireless | |
| Brandon | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Watertown | Rc Communications, Inc. - Sd | Landline | |
| Turton | James Valley Cooperative Telephone Company | Landline | |
| Miller | Qwest Corporation | Landline | |
| Elkton | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Wessington | Venture Communications Cooperative | Landline | |
| Clear Lake | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Mitchell | Brookings Municipal Utilities | Wireless | |
| Sioux Falls | Long Lines Wireless, Llc | Wireless | |
| Webster | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Howard | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Glenham | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| North Sioux City | Qwest Corporation | Landline | |
| Belle Fourche | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Canton | Midcontinent Communications - Sd | Landline | |
| Platte | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Rapid City | Qwest Corporation | Landline | |
| Lake Preston | Sprint Communications Company, L.p. - Sd | Landline | |
| Dupree | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Madison | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Saint Charles | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Pierre | At&t Local | Landline | |
| Dell Rapids | Sioux Valley Tel Dba Golden West Telecommunication | Landline | |
| Belle Fourche | Qwest Corporation | Landline | |
| Vermillion | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Mc Intosh | Qwest Corporation | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Watauga | Qwest Corporation | Landline | |
| Blunt | Venture Communications Cooperative | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Highmore | Venture Communications Cooperative | Landline | |
| Vermillion | Dakotacomm, Llc - Sd | ||
| Rapid City | Qwest Corporation | Landline | |
| Onida | Venture Communications Cooperative | Landline | |
| Sisseton | Venture Communications Cooperative | Landline | |
| Lake City | Venture Communications Cooperative | Landline | |
| Webster | James Valley Cooperative Telephone Company | Landline | |
| Lake Andes | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Elkton | Mcc Telephony of the Mid-west, Llc - Sd | Landline | |
| Hill City | Qwest Corporation | Landline | |
| Long Lake | Dickey Rural Telephone Cooperative | Landline | |
| Plankinton | Midstate Communications, Inc. | Landline | |
| Volga | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Clark | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Rapid City | Midcontinent Communications - Sd | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Milbank | Midcontinent Communications - Sd | Landline | |
| Madison | Qwest Corporation | Landline | |
| North Sioux City | Fibercom, L.c. | Landline | |
| Belle Fourche | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Hurley | Knology Community Telephone, Inc. | Landline | |
| Martin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Stephan | Native American Telecom, Llc - Sd | Landline | |
| Martin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Herrick | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Sturgis | Knology of the Black Hills, Llc - Sd | Landline | |
| Blunt | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sisseton | Roberts County Telephone Cooperative Assn. | Landline | |
| Custer | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Huron | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Watertown | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Conde | James Valley Cooperative Telephone Company | Landline | |
| Groton | James Valley Cooperative Telephone Company | Landline | |
| Houghton | James Valley Cooperative Telephone Company | Landline | |
| Milbank | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Pierre | Qwest Corporation | Landline | |
| Saint Charles | Three River Telephone Company | Landline | |
| Chamberlain | Midstate Telecom, Inc. - Sd | Landline | |
| Huron | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Milbank | Sstelecom, Inc. - Sd | Landline | |
| Strandburg | Stockholm - Strandburg Telephone Co. | Landline | |
| Murdo | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Clear Lake | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Rapid City | Knology of the Black Hills, Llc - Sd | Landline | |
| Flandreau | Qwest Corporation | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Dupree | Cheyenne River Sioux Tribal Telephone Auth. | Landline | |
| Redfield | Northern Valley Communications, Llc | Landline | |
| Armour | Midstate Communications, Inc. | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Wessington Springs | Venture Communications Cooperative | Landline | |
| Alcester | Heartland Telecom Company of Iowa Dba Hickorytech | Landline | |
| Salem | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Wakonda | Midcontinent Communications - Sd | Landline | |
| Woonsocket | Santel Communications Cooperative, Inc.-sd | Landline | |
| Roscoe | Venture Communications Cooperative | Landline | |
| Sioux Falls | At&t Local | Landline | |
| Claire City | Red River Rural Tel Assn Dba Red River Comm - Nd | Landline | |
| Beresford | 360networks (usa) Inc. - Sd | Wireless | |
| Huron | Midcontinent Communications - Sd | Landline | |
| Gregory | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| De Smet | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Eureka | Dickey Rural Telephone Cooperative | Landline | |
| Yankton | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Milbank | Midcontinent Communications - Sd | Landline | |
| Erwin | Mcc Telephony of the Mid-west, Llc - Sd | Landline | |
| Freeman | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Sioux Falls | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Salem | Mccook Cooperative Telephone Company | Landline | |
| Mission | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Redfield | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Plankinton | Sioux Valley Tel Dba Golden West Telecommunication | Landline | |
| Martin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Lake Andes | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Martin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Rapid City | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Burbank | Qwest Corporation | Landline | |
| Mitchell | Sancom, Inc. Dba Mitchell Telecom - Sd | Landline | |
| Volga | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Flandreau | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Spearfish | Bandwidth.com Clec, Llc - Sd | Landline | |
| Lennox | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Lower Brule | Kennebec Telephone Co. | Landline | |
| Alcester | Knology Community Telephone, Inc. | Landline | |
| Eagle Butte | Cheyenne River Sioux Tribal Telephone Auth. | Landline | |
| Hayes | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Webster | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Kimball | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Saint Francis | Great Plains Communications, Inc. | Landline | |
| Gettysburg | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Nisland | West River Cooperative Telephone Company | Landline | |
| Watertown | Qwest Corporation | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Spearfish | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Vermillion | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Beresford | Brookings Municipal Utilities | Wireless | |
| Aberdeen | Northern Valley Communications, Llc | Landline | |
| Mitchell | Level 3 Communications, Llc - Sd | Landline | |
| Trent | Citizens Telecom Co Mn-frontier Citizens Com-mn | Landline | |
| Woonsocket | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Yankton | Brookings Municipal Utilities | Wireless | |
| Hudson | Alliance Communications Cooperative, Inc. (baltic) | Landline | |
| Ludlow | Consolidated Telcom | Landline | |
| Leola | Valley Telecom Cooperative Association, Inc. | Landline | |
| Belle Fourche | Knology of the Black Hills, Llc - Sd | Landline | |
| Hudson | Qwest Corporation | Landline | |
| Brookings | City of Brookings Municipal Telephone Dept. | Landline | |
| Colman | Knology of the Plains, Inc. - Sd | Landline | |
| Sioux Falls | Brookings Municipal Utilities | Wireless | |
| Rapid City | Knology of the Black Hills, Llc - Sd | Landline | |
| Estelline | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Aberdeen | Qwest Corporation | Landline | |
| Chamberlain | 360networks (usa) Inc. - Sd | Landline | |
| Sioux Falls | Tc Systems, Inc. - Sd | Landline | |
| Fort Pierre | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Baltic | Midcontinent Communications - Sd | Landline | |
| Elk Point | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Selby | Venture Communications Cooperative | Landline | |
| Newell | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Rapid City | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Nunda | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Valley Springs | Alliance Communications Cooperative, Inc. - Sd | Landline | |
| Martin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Keystone | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Clark | Interstate Telecom. Coop., Inc. - South Dakota | Landline | |
| Eureka | Dickey Rural Telephone Cooperative | Landline | |
| White River | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Elkton | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rosholt | Roberts County Telephone Cooperative Assn. | Landline | |
| Philip | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Deadwood | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Hermosa | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Faith | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Huron | Qwest Corporation | Landline | |
| Eureka | Valley Telecom Cooperative Association, Inc. | Landline | |
| Vermillion | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Rapid City | Landline | ||
| Highmore | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Aurora | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Pierre | Qwest Corporation | Landline | |
| Rapid City | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Lake Andes | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Sioux Falls | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Ridgeview | Cheyenne River Sioux Tribal Telephone Auth. | Landline | |
| Aberdeen | At&t Local | Landline | |
| Glenham | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Pierre | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| North Sioux City | Iowa Wireless Services, Lp | Wireless | |
| Pierre | Qwest Corporation | Landline | |
| Spearfish | Qwest Corporation | Landline | |
| Aberdeen | Midcontinent Communications - Sd | Landline | |
| Waubay | Midcontinent Communications - Sd | Landline | |
| Rapid City | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sturgis | At&t Local | Landline | |
| Rapid City | Qwest Corporation | Landline | |
| Hecla | Dickey Rural Telephone Cooperative | Landline | |
| Brookings | City of Brookings Municipal Telephone Dept. | Landline | |
| Sioux Falls | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sioux Falls | Mcimetro Access Transmission Services Llc | Landline | |
| Yankton | Knology of the Plains, Inc. - Sd | Landline | |
| Sioux Falls | Brookings Municipal Utilities | Wireless | |
| Redfield | Midcontinent Communications - Sd | Landline | |
| Chamberlain | Midstate Communications, Inc. | Landline | |
| Huron | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Mitchell | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Madison | Qwest Corporation | Landline | |
| Hot Springs | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Gregory | Vivian Tel Co Dba Golden West Telecommunications | Landline | |
| Aberdeen | Northern Valley Communications, Llc | Landline | |
| Beresford | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Mound City | Wireless | ||
| Brookings | City of Brookings Municipal Telephone Dept. | Landline | |
| Elk Point | Bandwidth.com Clec, Llc - Sd | Landline | |
| Salem | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Okaton | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Lake Norden | Mcc Telephony of the Mid-west, Llc - Sd | Landline | |
| Winner | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Gregory | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rapid City | Bandwidth.com Clec, Llc - Sd | Landline | |
| North Sioux City | Level 3 Communications, Llc - Sd | Landline | |
| Veblen | Rc Communications, Inc. | Landline | |
| Wolsey | Midcontinent Communications - Sd | Landline | |
| Hot Springs | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rapid City | Level 3 Communications, Llc - Sd | Landline | |
| Canton | Knology of the Plains, Inc. - Sd | Landline | |
| Spearfish | Knology of the Black Hills, Llc - Sd | Landline | |
| Bridgewater | Armour Independent Tel Co Dba Golden West Telcomm | Landline | |
| Rapid City | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Redfield | |||
| Vermillion | Qwest Corporation | Landline | |
| Pierre | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Mitchell | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sturgis | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Midcontinent Communications - Sd | Landline | |
| Aberdeen | Qwest Corporation | Landline | |
| Vermillion | Knology of the Plains, Inc. - Sd | Landline | |
| Beresford | Fort Randall Telco Dba Mt Rushmore Telephone Co | Landline | |
| Yankton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Mitchell | Qwest Corporation | Landline | |
| Hot Springs | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Winner | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Isabel | Cheyenne River Sioux Tribal Telephone Auth. | Landline | |
| Watertown | Midcontinent Communications - Sd | Landline | |
| Deadwood | At&t Local | Landline | |
| Wessington | Santel Communications Cooperative, Inc.-sd | Landline | |
| Presho | Kennebec Telephone Co. | Landline | |
| Madison | Midcontinent Communications - Sd | Landline | |
| Oglala | Native American Telecom - Pine Ridge Llc - Sd | Landline | |
| Rapid City | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Wall | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Yankton | Long Lines Wireless, Llc | Landline | |
| Webster | Midcontinent Communications - Sd | Landline | |
| Redfield | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Huron | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Watertown | Qwest Corporation | Landline | |
| Clark | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Roscoe | Wireless | ||
| Pierre | Midcontinent Communications - Sd | Landline | |
| Sioux Falls | South Dakota Network, Llc | Landline | |
| Spearfish | Midcontinent Communications - Sd | Landline | |
| Watertown | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Deadwood | Midcontinent Communications - Sd | Landline | |
| Madison | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Rapid City | Knology of the Black Hills, Llc - Sd | Landline | |
| Buffalo | West River Cooperative Telephone Company | Landline | |
| Edgemont | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Watertown | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Belle Fourche | Midcontinent Communications - Sd | Landline | |
| Aberdeen | Wireless | ||
| Kimball | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Erwin | Qwest Corporation | Landline | |
| Hot Springs | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Whitewood | Midcontinent Communications - Sd | Landline | |
| Mitchell | Level 3 Communications, Llc - Sd | Landline | |
| New Underwood | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Kyle | Native American Telecom - Pine Ridge Llc - Sd | Landline | |
| Aberdeen | Wireless | ||
| Andover | James Valley Cooperative Telephone Company | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Buffalo Gap | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Chamberlain | Midstate Communications, Inc. | Landline | |
| Mitchell | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Big Stone City | Qwest Corporation | Landline | |
| Sisseton | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Aberdeen | Level 3 Communications, Llc - Sd | Landline | |
| Onaka | Venture Communications Cooperative | Landline | |
| Sioux Falls | Mcimetro Access Transmission Services Llc | Wireless | |
| Erwin | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Lead | 360networks (usa) Inc. - Sd | Landline | |
| Rapid City | Knology of the Black Hills, Llc - Sd | Landline | |
| Spearfish | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | 365 Wireless, Llc | Wireless | |
| Tuthill | Golden West Tel Coop Inc Dba Golden West Telecomm | Landline | |
| Ree Heights | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sioux Falls | Brookings Municipal Utilities | Wireless | |
| Rapid City | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Alexandria | Mccook Cooperative Telephone Company | Landline | |
| Custer | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Aberdeen | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Yankton | Knology of the Plains, Inc. - Sd | Landline | |
| Aberdeen | Qwest Corporation | Landline | |
| Rosholt | Venture Communications Cooperative | Landline | |
| Centerville | Knology of the Plains, Inc. - Sd | Landline | |
| Mission | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Gettysburg | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | |
| Sturgis | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Sioux Falls | Qwest Corporation | Landline | |
| Madison | Knology of the Plains, Inc. - Sd | Landline | |
| Flandreau | Knology of the Plains, Inc. - Sd | Landline | |
| Frederick | Dickey Rural Telephone Cooperative | Landline | |
| Vermillion | Mcleodusa Telecommunications Services, Inc.- Sd | Landline | |
| Sioux Falls | Qwest Corporation | Landline | |
| Rapid City | Mcc Telephony of the Mid-west, Llc - Sd | Wireless | |
| Pierre | New Cingular Wireless Pcs, Llc - Il | Wireless | |
| Watertown | Brookings Municipal Utilities | Wireless | |
| Watertown | Qwest Corporation | Landline | |
| Watertown | Cellco Partnership Dba Verizon Wireless - Sd | Wireless |