| 605-200 | Dupree, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-201 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-202 | Vermillion, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-203 | Lake Preston, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-204 | Miller, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-205 | Elk Point, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-206 | Sturgis, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-207 | Platte, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-208 | Winner, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-209 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-210 | Belle Fourche, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-212 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-215 | Sioux Falls, SD | Wireless | Aerial Communications |
| 605-216 | Aberdeen, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-217 | North Sioux City, SD | Landline | Fibercom, L.c. |
| 605-218 | Isabel, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-219 | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | Sioux Falls |
| 605-220 | Pierre, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-221 | Sioux Falls, SD | Landline | Mcleodusa Telecommunications Services- Sd |
| 605-222 | Pierre, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-223 | Pierre, SD | Landline | Qwest Corporation |
| 605-224 | Pierre, SD | Landline | Qwest Corporation |
| 605-225 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-226 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-227 | Ethan, SD | Landline | Santel Communications Cooperative-sd |
| 605-228 | Aberdeen, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-229 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-230 | Pierre, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-231 | Sioux Falls, SD | Wireless | Brookings Municipal Utilities |
| 605-232 | North Sioux City, SD | Landline | Qwest Corporation |
| 605-233 | Clark, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-234 | Chamberlain, SD | Landline | Midstate Telecom |
| 605-235 | North Sioux City, SD | Landline | Qwest Corporation |
| 605-236 | Mount Vernon, SD | Landline | Santel Communications Cooperative-sd |
| 605-237 | Watertown, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-238 | Viborg, SD | Landline | Knology Community Telephone |
| 605-239 | Alexandria, SD | Landline | Mccook Cooperative Telephone Company |
| 605-240 | Salem, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-241 | Sioux Falls, SD | Landline | South Dakota Network |
| 605-242 | North Sioux City, SD | Landline | Long Lines Metro |
| 605-243 | Stickney, SD | Landline | Midstate Communications |
| 605-244 | Bison, SD | Landline | West River Cooperative Telephone Company |
| 605-245 | Lower Brule, SD | Landline | Midstate Communications |
| 605-246 | Spencer, SD | Landline | Mccook Cooperative Telephone Company |
| 605-248 | Letcher, SD | Landline | Santel Communications Cooperative-sd |
| 605-249 | White Lake, SD | Landline | Midstate Communications |
| 605-251 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-252 | Aberdeen, SD | Landline | AT&T Local |
| 605-254 | Sioux Falls, SD | Landline | AT&T Local |
| 605-255 | Hermosa, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-256 | Madison, SD | Landline | Qwest Corporation |
| 605-257 | Nisland, SD | Landline | West River Cooperative Telephone Company |
| 605-258 | Onida, SD | Landline | Venture Communications Cooperative |
| 605-259 | White River, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-260 | Yankton, SD | Landline | Knology Of The Plains |
| 605-261 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-262 | Aberdeen, SD | Landline | Midcontinent Communications |
| 605-263 | Irene, SD | Landline | Knology Community Telephone |
| 605-264 | Agar, SD | Landline | Venture Communications Cooperative |
| 605-265 | Webster, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-266 | Hitchcock, SD | Landline | Venture Communications Cooperative |
| 605-267 | Irene, SD | Landline | Knology Community Telephone |
| 605-268 | Sisseton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-269 | Whitewood, SD | Landline | Qwest Corporation |
| 605-270 | Madison, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-271 | Sioux Falls, SD | Landline | Midcontinent Communications |
| 605-272 | Clear Lake, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-273 | Mc Intosh, SD | Landline | Qwest Corporation |
| 605-274 | Sioux Falls, SD | Landline | Midcontinent Communications |
| 605-275 | Sioux Falls, SD | Landline | Midcontinent Communications |
| 605-277 | Aberdeen, SD | Landline | Level 3 Communications |
| 605-279 | Wall, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-280 | Pierre, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-281 | Hosmer, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-282 | Hosmer, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-283 | Hosmer, SD | Landline | Valley Telecom Cooperative Association |
| 605-284 | Eureka, SD | Landline | Valley Telecom Cooperative Association |
| 605-285 | Hosmer, SD | Landline | Venture Communications Cooperative |
| 605-286 | Avon, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-287 | Roscoe, SD | Landline | Venture Communications Cooperative |
| 605-290 | Aberdeen, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-291 | Madison, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-292 | Mitchell, SD | Landline | Midcontinent Communications |
| 605-293 | Wessington Springs, SD | Landline | Midstate Communications |
| 605-294 | Claremont, SD | Landline | James Valley Cooperative Telephone Company |
| 605-295 | Pierre, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-296 | Canistota, SD | Landline | Armour Independent Tel Co DBA Golden West Telcomm |
| 605-297 | Parker, SD | Landline | Knology Community Telephone |
| 605-298 | Andover, SD | Landline | James Valley Cooperative Telephone Company |
| 605-299 | Mitchell, SD | Landline | Level 3 Communications |
| 605-300 | Beresford, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-301 | Pierre, SD | Landline | AT&T Local |
| 605-302 | Redfield, SD | Landline | Midcontinent Communications |
| 605-304 | White, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-306 | Sioux Falls, SD | Landline | Knology Of The Plains |
| 605-310 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-312 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-314 | Mc Laughlin, SD | Wireless | Standing Rock Telecommunications |
| 605-319 | Mission, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-321 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-322 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-323 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-324 | Cresbard, SD | Landline | Western Telephone Co. |
| 605-325 | Bristol, SD | Landline | Venture Communications Cooperative |
| 605-326 | Viborg, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-328 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-329 | Frederick, SD | Landline | James Valley Cooperative Telephone Company |
| 605-330 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-331 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-332 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-333 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-334 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-335 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-336 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-337 | Platte, SD | Landline | Midstate Communications |
| 605-338 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-339 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-340 | Deadwood, SD | Landline | AT&T Local |
| 605-341 | Rapid City, SD | Landline | Qwest Corporation |
| 605-342 | Rapid City, SD | Landline | Qwest Corporation |
| 605-343 | Rapid City, SD | Landline | Qwest Corporation |
| 605-344 | Belvidere, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-345 | Webster, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-347 | Sturgis, SD | Landline | Qwest Corporation |
| 605-348 | Rapid City, SD | Landline | Qwest Corporation |
| 605-350 | Huron, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-351 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-352 | Huron, SD | Landline | Qwest Corporation |
| 605-353 | Huron, SD | Landline | Qwest Corporation |
| 605-354 | Huron, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-355 | Rapid City, SD | Landline | Qwest Corporation |
| 605-356 | Elk Point, SD | Landline | Qwest Corporation |
| 605-357 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-359 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-360 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-361 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-362 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-363 | Humboldt, SD | Landline | Sioux Valley Tel DBA Golden West Telecommunication |
| 605-364 | Lesterville, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-365 | Dupree, SD | Landline | Cheyenne River Sioux Tribal Telephone Auth. |
| 605-366 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-367 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-369 | Springfield, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-370 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-371 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-372 | Lennox, SD | Landline | Knology Community Telephone |
| 605-373 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-374 | Lemmon, SD | Landline | West River Cooperative Telephone Company |
| 605-375 | Buffalo, SD | Landline | West River Cooperative Telephone Company |
| 605-376 | Sioux Falls, SD | Wireless | Brookings Municipal Utilities |
| 605-377 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-380 | Aberdeen, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-381 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-382 | Conde, SD | Landline | James Valley Cooperative Telephone Company |
| 605-384 | Wagner, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-385 | Box Elder, SD | Landline | Qwest Corporation |
| 605-386 | Wall, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-387 | Menno, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-388 | Rapid City, SD | Landline | Qwest Corporation |
| 605-389 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-390 | Rapid City, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-391 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-392 | Orient, SD | Landline | Western Telephone Co. |
| 605-393 | Rapid City, SD | Landline | Qwest Corporation |
| 605-394 | Rapid City, SD | Landline | Qwest Corporation |
| 605-395 | Groton, SD | Landline | James Valley Cooperative Telephone Company |
| 605-396 | Columbia, SD | Landline | James Valley Cooperative Telephone Company |
| 605-397 | Groton, SD | Landline | James Valley Cooperative Telephone Company |
| 605-398 | Summit, SD | Landline | Rc Communications |
| 605-399 | Rapid City, SD | Landline | Qwest Corporation |
| 605-400 | Sioux Falls, SD | Wireless | Long Lines Wireless |
| 605-407 | Martin, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-412 | Huron, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-413 | Sioux Falls, SD | Landline | Level 3 Communications |
| 605-414 | Castlewood, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-415 | Rapid City, SD | Landline | Level 3 Communications |
| 605-419 | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | Sioux Falls |
| 605-421 | Salem, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-422 | North Sioux City, SD | Landline | Long Lines Metro |
| 605-423 | Sturgis, SD | Landline | Qwest Corporation |
| 605-424 | Oral, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-425 | Salem, SD | Landline | Mccook Cooperative Telephone Company |
| 605-426 | Ipswich, SD | Landline | Valley Telecom Cooperative Association |
| 605-427 | Madison, SD | Landline | Knology Of The Plains |
| 605-428 | Dell Rapids, SD | Landline | Sioux Valley Tel DBA Golden West Telecommunication |
| 605-430 | Rapid City, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-431 | Rapid City, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-432 | Milbank, SD | Landline | Qwest Corporation |
| 605-433 | Scenic, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-434 | Milbank, SD | Landline | Rc Communications |
| 605-435 | Waubay, SD | Landline | Midcontinent Communications |
| 605-436 | Seneca, SD | Landline | Venture Communications Cooperative |
| 605-437 | Herreid, SD | Landline | Valley Telecom Cooperative Association |
| 605-438 | Milbank, SD | Landline | Sstelecom |
| 605-439 | Ipswich, SD | Landline | Valley Telecom Cooperative Association |
| 605-440 | Custer, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-441 | Martin, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-442 | Tolstoy, SD | Landline | Venture Communications Cooperative |
| 605-443 | Whitewood, SD | Landline | Midcontinent Communications |
| 605-444 | Sioux Falls, SD | Landline | Midcontinent Communications |
| 605-445 | Milbank, SD | Landline | Midcontinent Communications |
| 605-446 | Colton, SD | Landline | Sioux Valley Tel DBA Golden West Telecommunication |
| 605-447 | Onaka, SD | Landline | Venture Communications Cooperative |
| 605-448 | Britton, SD | Landline | Venture Communications Cooperative |
| 605-449 | Bridgewater, SD | Landline | Tri-county Telcom |
| 605-450 | Redfield, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-451 | Wakonda, SD | Landline | Midcontinent Communications |
| 605-452 | Wood, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-453 | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | Sioux Falls |
| 605-454 | Martin, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-455 | Kyle, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-456 | Newell, SD | Landline | West River Cooperative Telephone Company |
| 605-458 | Wessington, SD | Landline | Venture Communications Cooperative |
| 605-460 | Redfield, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-461 | Huron, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-462 | Long Valley, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-463 | Tabor, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-464 | Tyndall, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-465 | Sioux Falls, SD | Landline | Midcontinent Communications |
| 605-466 | Isabel, SD | Landline | Cheyenne River Sioux Tribal Telephone Auth. |
| 605-467 | Milbank, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-468 | Redfield, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-469 | Lake Andes, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-470 | Britton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-471 | Salem, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-472 | Redfield, SD | Landline | Qwest Corporation |
| 605-473 | Reliance, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-475 | Redfield, SD | Landline | Northern Valley Communications |
| 605-477 | Fort Thompson, SD | Landline | Native American Telecom |
| 605-478 | Highmore, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-480 | Madison, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-481 | Lake Andes, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-483 | Wentworth, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-484 | Rapid City, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-485 | Howard, SD | Landline | Mccook Cooperative Telephone Company |
| 605-486 | Roslyn, SD | Landline | Venture Communications Cooperative |
| 605-487 | Lake Andes, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-488 | Kadoka, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-489 | Chester, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-490 | Sturgis, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-491 | Lake Andes, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-492 | Bristol, SD | Landline | James Valley Cooperative Telephone Company |
| 605-493 | Pierpont, SD | Landline | Venture Communications Cooperative |
| 605-494 | Pierre, SD | Landline | Midcontinent Communications |
| 605-496 | Sioux Falls, SD | Landline | Zayo Group LLC |
| 605-497 | Wolsey, SD | Landline | Midcontinent Communications |
| 605-499 | Sturgis, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-500 | Yankton, SD | Landline | Long Lines Wireless |
| 605-505 | Parkston, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-509 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-515 | Wall, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-516 | Murdo, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-517 | Custer, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-519 | Rapid City, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-520 | Watertown, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-521 | Sioux Falls, SD | Wireless | Brookings Municipal Utilities |
| 605-523 | Canova, SD | Landline | Mccook Cooperative Telephone Company |
| 605-524 | Morristown, SD | Landline | Qwest Corporation |
| 605-527 | Artesian, SD | Landline | Santel Communications Cooperative-sd |
| 605-528 | Hartford, SD | Landline | Union Tel. Co. DBA Golden West Telecommunications |
| 605-529 | Baltic, SD | Landline | Alliance Communications Cooperative (baltic) |
| 605-532 | Clark, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-535 | Oelrichs, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-537 | Rosholt, SD | Landline | Venture Communications Cooperative |
| 605-538 | Dupree, SD | Landline | Cheyenne River Sioux Tribal Telephone Auth. |
| 605-539 | Wessington Springs, SD | Landline | Venture Communications Cooperative |
| 605-540 | N Sioux City, SD | Landline | Level 3 Communications |
| 605-541 | Big Stone City, SD | Landline | Midcontinent Communications |
| 605-542 | Aurora, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-543 | Crooks, SD | Landline | Alliance Communications Cooperative (baltic) |
| 605-544 | Milesville, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-545 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-546 | Iroquois, SD | Landline | Qwest Corporation |
| 605-548 | Baltic, SD | Landline | Midcontinent Communications |
| 605-549 | Spearfish, SD | Landline | Bandwidth.com Clec |
| 605-550 | Mitchell, SD | Landline | Level 3 Communications |
| 605-551 | Britton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-552 | Centerville, SD | Landline | Knology Of The Plains |
| 605-553 | Sioux Falls, SD | Landline | Mcimetro Access Transmission Services LLC |
| 605-554 | Huron, SD | Landline | Midcontinent Communications |
| 605-556 | Madison, SD | Landline | Midcontinent Communications |
| 605-558 | Canton, SD | Landline | Midcontinent Communications |
| 605-559 | Spearfish, SD | Landline | Midcontinent Communications |
| 605-561 | Sturgis, SD | Landline | Midcontinent Communications |
| 605-562 | Wounded Knee, SD | Landline | Native American Telecom - Pine Ridge LLC |
| 605-563 | Centerville, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-566 | Lead, SD | Landline | Onvoy |
| 605-567 | Hayes, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-568 | Belle Fourche, SD | Landline | Midcontinent Communications |
| 605-569 | Belle Fourche, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-571 | Deadwood, SD | Landline | Midcontinent Communications |
| 605-572 | South Dakota (SD) | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-574 | Hill City, SD | Landline | Qwest Corporation |
| 605-575 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-577 | Eureka, SD | Landline | Valley Telecom Cooperative Association |
| 605-578 | Deadwood, SD | Landline | Qwest Corporation |
| 605-579 | Howard, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-580 | Lead, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-581 | South Dakota (SD) | | Dakotacomm |
| 605-582 | Brandon, SD | Landline | Alliance Comm. Cooperative (split Rock) |
| 605-583 | Scotland, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-584 | Lead, SD | Landline | Qwest Corporation |
| 605-585 | N Sioux City, SD | Wireless | Iowa Wireless Services, Lp |
| 605-586 | Nunda, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-588 | Webster, SD | Landline | Midcontinent Communications |
| 605-589 | Tyndall, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-590 | Webster, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-591 | Lead, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-592 | Brookings, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-593 | Rapid City, SD | Landline | Level 3 Communications |
| 605-594 | Garretson, SD | Landline | Alliance Comm. Cooperative (split Rock) |
| 605-595 | Sioux Falls, SD | Landline | AT&T Local |
| 605-596 | Tulare, SD | Landline | Venture Communications Cooperative |
| 605-597 | Mitchell, SD | Landline | Qwest Corporation |
| 605-598 | Faulkton, SD | Landline | Western Telephone Co. |
| 605-599 | Cavour, SD | Landline | Qwest Corporation |
| 605-609 | Pierre, SD | Landline | Level 3 Communications |
| 605-610 | Sioux Falls, SD | Landline | Level 3 Communications |
| 605-613 | Platte, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-620 | Lake Preston, SD | Landline | Zayo Group LLC |
| 605-622 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-623 | Revillo, SD | Landline | Stockholm - Strandburg Telephone Co. |
| 605-624 | Vermillion, SD | Landline | Qwest Corporation |
| 605-626 | Aberdeen, SD | Landline | Qwest Corporation |
| 605-627 | Volga, SD | Landline | Qwest Corporation |
| 605-629 | White, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-630 | Mitchell, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-631 | Deadwood, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-632 | Lake Preston, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-635 | Doland, SD | Landline | James Valley Cooperative Telephone Company |
| 605-636 | Madison, SD | Landline | Qwest Corporation |
| 605-637 | New Effington, SD | Landline | Roberts County Telephone Cooperative Assn. |
| 605-638 | Vermillion, SD | Landline | Qwest Corporation |
| 605-639 | Spearfish, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-641 | Lead, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-642 | Spearfish, SD | Landline | Qwest Corporation |
| 605-644 | Spearfish, SD | Landline | Qwest Corporation |
| 605-645 | Spearfish, SD | Landline | Cellco Partnership DBA Verizon Wireless |
| 605-646 | Rapid City, SD | Landline | Bandwidth.com Clec |
| 605-647 | Lennox, SD | Landline | Knology Community Telephone |
| 605-648 | Marion, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-649 | Selby, SD | Landline | Venture Communications Cooperative |
| 605-651 | Brookings, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-652 | Claire City, SD | Landline | Roberts County Telephone Cooperative Assn. |
| 605-653 | Yankton, SD | Wireless | Bandwidth.com Clec |
| 605-654 | Bonesteel, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-655 | Yankton, SD | Landline | Qwest Corporation |
| 605-656 | Mitchell, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-658 | Vermillion, SD | Landline | Midcontinent Communications |
| 605-659 | Vermillion, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-660 | Yankton, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-661 | Yankton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-662 | Edgemont, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-664 | Yankton, SD | Landline | Knology Of The Plains |
| 605-665 | Yankton, SD | Landline | Qwest Corporation |
| 605-666 | Keystone, SD | Landline | Fort Randall Telco DBA Mt Rushmore Telephone Co |
| 605-668 | Yankton, SD | Landline | Qwest Corporation |
| 605-669 | Murdo, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-670 | Vermillion, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-672 | Vermillion, SD | Landline | Knology Of The Plains |
| 605-673 | Custer, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-675 | Vermillion, SD | Wireless | Brookings Municipal Utilities |
| 605-676 | Stockholm, SD | Landline | Stockholm - Strandburg Telephone Co. |
| 605-677 | Vermillion, SD | Landline | Qwest Corporation |
| 605-679 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-680 | Kimball, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-681 | Sioux Falls, SD | Wireless | 365 Wireless |
| 605-682 | Kimball, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-683 | Vivian, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-685 | Martin, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-686 | Rapid City, SD | Wireless | Mcc Telephony Of The Mid-west |
| 605-688 | Brookings, SD | Landline | City Of Brookings Municipal Telephone Dept. |
| 605-689 | Yankton, SD | Landline | Midcontinent Communications |
| 605-690 | Brookings, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-691 | Brookings, SD | Wireless | Brookings Municipal Utilities |
| 605-692 | Brookings, SD | Landline | City Of Brookings Municipal Telephone Dept. |
| 605-695 | Brookings, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-696 | Brookings, SD | Landline | City Of Brookings Municipal Telephone Dept. |
| 605-697 | Brookings, SD | Landline | City Of Brookings Municipal Telephone Dept. |
| 605-698 | Sisseton, SD | Landline | Venture Communications Cooperative |
| 605-699 | Belle Fourche, SD | Landline | Bandwidth.com Clec |
| 605-702 | Sturgis, SD | Landline | AT&T Local |
| 605-710 | Lake Norden, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-715 | Aberdeen, SD | Landline | Northern Valley Communications |
| 605-716 | Rapid City, SD | Landline | Knology Of The Black Hills |
| 605-717 | Spearfish, SD | Landline | Knology Of The Black Hills |
| 605-718 | Rapid City, SD | Landline | Knology Of The Black Hills |
| 605-719 | Rapid City, SD | Landline | Knology Of The Black Hills |
| 605-720 | Sturgis, SD | Landline | Knology Of The Black Hills |
| 605-721 | Rapid City, SD | Landline | Knology Of The Black Hills |
| 605-722 | Spearfish, SD | Landline | Knology Of The Black Hills |
| 605-723 | Belle Fourche, SD | Landline | Knology Of The Black Hills |
| 605-724 | Armour, SD | Landline | Armour Independent Tel Co DBA Golden West Telcomm |
| 605-725 | Aberdeen, SD | Landline | Northern Valley Communications |
| 605-727 | Rapid City, SD | Landline | Qwest Corporation |
| 605-728 | Sioux Falls, SD | Wireless | Aerial Communications |
| 605-729 | Bridgewater, SD | Landline | Armour Independent Tel Co DBA Golden West Telcomm |
| 605-730 | Chamberlain, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-731 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-732 | Stickney, SD | Landline | Midstate Communications |
| 605-734 | Chamberlain, SD | Landline | Qwest Corporation |
| 605-737 | Rapid City, SD | Landline | Qwest Corporation |
| 605-738 | Veblen, SD | Landline | Rc Communications |
| 605-739 | Faith, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-741 | Vermillion, SD | Landline | Mcleodusa Telecommunications Services- Sd |
| 605-742 | Sisseton, SD | Landline | Venture Communications Cooperative |
| 605-744 | Lennox, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-745 | Hot Springs, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-747 | Parmelee, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-750 | Lennox, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-751 | Beresford, SD | Wireless | Brookings Municipal Utilities |
| 605-753 | Watertown, SD | Landline | Knology Of The Plains |
| 605-754 | New Underwood, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-755 | Rapid City, SD | Landline | Knology Of The Black Hills |
| 605-756 | South Shore, SD | Landline | Stockholm - Strandburg Telephone Co. |
| 605-757 | Valley Springs, SD | Landline | Alliance Communications Cooperative |
| 605-758 | Florence, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-759 | Sioux Falls, SD | Landline | AT&T Local |
| 605-760 | Yankton, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-761 | Elk Point, SD | Landline | Knology Of The Plains |
| 605-762 | Glenham, SD | Landline | Valley Telecom Cooperative Association |
| 605-763 | Beresford, SD | Landline | Beresford Municipal Telephone Co. |
| 605-764 | Canton, SD | Landline | Knology Of The Plains |
| 605-765 | Gettysburg, SD | Landline | Venture Communications Cooperative |
| 605-766 | Viborg, SD | Landline | Knology Of The Plains |
| 605-768 | Gettysburg, SD | Landline | Venture Communications Cooperative |
| 605-769 | Gettysburg, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-770 | Mitchell, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-771 | Gettysburg, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-772 | Howard, SD | Landline | Alliance Comm. Cooperative (split Rock) |
| 605-773 | Pierre, SD | Landline | Qwest Corporation |
| 605-775 | Burke, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-776 | Pierre, SD | Landline | Qwest Corporation |
| 605-778 | Kimball, SD | Landline | Midstate Communications |
| 605-779 | Delmont, SD | Landline | Midstate Communications |
| 605-780 | N Sioux City, SD | Landline | Knology Of The Plains |
| 605-781 | Porcupine, SD | Landline | Native American Telecom - Pine Ridge LLC |
| 605-782 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-783 | Hazel, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-784 | Bradley, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-785 | Hazel, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-786 | Black Hawk, SD | Landline | Qwest Corporation |
| 605-787 | Black Hawk, SD | Landline | Qwest Corporation |
| 605-788 | Bison, SD | Landline | West River Cooperative Telephone Company |
| 605-789 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-791 | Rapid City, SD | Landline | Midcontinent Communications |
| 605-792 | Hayti, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-793 | Castlewood, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-794 | Toronto, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-795 | Strandburg, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-796 | Woonsocket, SD | Landline | Santel Communications Cooperative-sd |
| 605-797 | Camp Crook, SD | Landline | West River Cooperative Telephone Company |
| 605-799 | Airus, Inc - Sd | - | Sioux Falls |
| 605-809 | Sioux Falls, SD | Wireless | Mcimetro Access Transmission Services LLC |
| 605-818 | Watertown, SD | Landline | Rc Communications |
| 605-821 | Dupree, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-823 | Mc Laughlin, SD | Landline | West River Telecommunications Cooperative |
| 605-824 | Cellco Partnership Dba Verizon Wireless - Sd | Wireless | Sioux Falls |
| 605-826 | Nunda, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-828 | Mission, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-830 | Gregory, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-831 | Gregory, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-832 | Astoria, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-833 | Buffalo Gap, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-835 | Gregory, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-836 | Canton, SD | Wireless | Mcimetro Access Transmission Services LLC |
| 605-837 | Kadoka, SD | Landline | Kadoka Tel Co DBA Golden West Telecommunications |
| 605-838 | Sioux Falls, SD | Landline | Ymax Communications Corp. |
| 605-839 | Brandon, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-840 | Winner, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-841 | Winner, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-842 | Winner, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-843 | Midland, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-844 | Clark, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-845 | Mobridge, SD | Landline | West River Telecommunications Coop (mobridge) |
| 605-847 | Lake Preston, SD | Landline | Qwest Corporation |
| 605-848 | Glenham, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-849 | Alpena, SD | Landline | Santel Communications Cooperative-sd |
| 605-850 | Glenham, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-851 | South Dakota (SD) | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-852 | Holabird, SD | Landline | Venture Communications Cooperative |
| 605-853 | Miller, SD | Landline | Qwest Corporation |
| 605-854 | De Smet, SD | Landline | Qwest Corporation |
| 605-856 | Mission, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-857 | Yankton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-858 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-859 | Philip, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-860 | De Smet, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-861 | De Smet, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-862 | Big Stone City, SD | Landline | Qwest Corporation |
| 605-863 | Rapid City, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-865 | Timber Lake, SD | Landline | Qwest Corporation |
| 605-867 | Pine Ridge, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-868 | Watertown, SD | Wireless | Brookings Municipal Utilities |
| 605-869 | Kennebec, SD | Landline | Kennebec Telephone Co. |
| 605-870 | Holabird, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-871 | Holabird, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-873 | Estelline, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-874 | Clear Lake, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-875 | Harrold, SD | Landline | Venture Communications Cooperative |
| 605-876 | Brandt, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-877 | Rapid City, SD | Landline | Qwest Corporation |
| 605-878 | Watertown, SD | Landline | Midcontinent Communications |
| 605-879 | Witten, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-880 | Watertown, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-881 | Watertown, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-882 | Watertown, SD | Landline | Qwest Corporation |
| 605-883 | Wolsey, SD | Landline | Santel Communications Cooperative-sd |
| 605-884 | Watertown, SD | Landline | Qwest Corporation |
| 605-885 | Houghton, SD | Landline | James Valley Cooperative Telephone Company |
| 605-886 | Watertown, SD | Landline | Qwest Corporation |
| 605-887 | Mellette, SD | Landline | James Valley Cooperative Telephone Company |
| 605-888 | Chamberlain, SD | Landline | Onvoy |
| 605-889 | Pollock, SD | Landline | Valley Telecom Cooperative Association |
| 605-890 | Hot Springs, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-891 | Hot Springs, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-892 | Belle Fourche, SD | Landline | Qwest Corporation |
| 605-893 | Miller, SD | Landline | Midcontinent Communications |
| 605-894 | Pukwana, SD | Landline | Midstate Communications |
| 605-895 | Presho, SD | Landline | Kennebec Telephone Co. |
| 605-897 | Turton, SD | Landline | James Valley Cooperative Telephone Company |
| 605-899 | Martin, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-906 | Sioux Falls, SD | Landline | Teleport Communications America - Sd - LLC |
| 605-920 | Deadwood, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-922 | Elkton, SD | Landline | Mcc Telephony Of The Mid-west |
| 605-923 | Box Elder, SD | Landline | Qwest Corporation |
| 605-924 | Milbank, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-925 | Freeman, SD | Landline | Vivian Tel Co DBA Golden West Telecommunications |
| 605-926 | Mobridge, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-927 | Sisseton, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-928 | Parkston, SD | Landline | Santel Communications Cooperative-sd |
| 605-929 | Sioux Falls, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-932 | Peever, SD | Landline | Rc Communications |
| 605-933 | Mitchell, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-934 | Alcester, SD | Landline | Alliance Communications Cooperative (baltic) |
| 605-935 | Tripp, SD | Landline | Santel Communications Cooperative-sd |
| 605-936 | Huron, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-937 | Bandwidth.com Clec, Llc - Sd | Wireless | Sioux Falls |
| 605-938 | Wilmot, SD | Landline | Rc Communications |
| 605-939 | Rapid City, SD | Landline | AT&T Local |
| 605-940 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-941 | Sioux Falls, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-942 | Plankinton, SD | Landline | Sioux Valley Tel DBA Golden West Telecommunication |
| 605-943 | Ree Heights, SD | Landline | Venture Communications Cooperative |
| 605-944 | Martin, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-945 | Pierre, SD | Landline | Qwest Corporation |
| 605-946 | Armour, SD | Landline | Sioux Valley Tel DBA Golden West Telecommunication |
| 605-947 | Waubay, SD | Landline | Interstate Telecom. Coop. - South Dakota |
| 605-948 | Java, SD | Landline | Venture Communications Cooperative |
| 605-949 | Milbank, SD | Wireless | New Cingular Wireless PCS - IL |
| 605-951 | Sioux Falls, SD | Landline | Bandwidth.com Clec |
| 605-952 | Elk Point, SD | Landline | Bandwidth.com Clec |
| 605-954 | Bandwidth.com Clec, Llc - Sd | Wireless | Sioux Falls |
| 605-955 | Mound City, SD | Landline | Valley Telecom Cooperative Association |
| 605-956 | Watertown, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-957 | Beresford, SD | Landline | Knology Community Telephone |
| 605-962 | Blunt, SD | Landline | Venture Communications Cooperative |
| 605-964 | Eagle Butte, SD | Landline | Cheyenne River Sioux Tribal Telephone Auth. |
| 605-965 | Sioux Falls, SD | Landline | Knology Of The Plains |
| 605-966 | Jefferson, SD | Landline | Jefferson Telephone Co. |
| 605-967 | Faith, SD | Landline | City Of Faith Municipal Telephone Co. |
| 605-968 | Huron, SD | Wireless | Cellco Partnership DBA Verizon Wireless |
| 605-973 | Onida, SD | Landline | Venture Communications Cooperative |
| 605-977 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-978 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-983 | Arlington, SD | Landline | Qwest Corporation |
| 605-984 | Hudson, SD | Landline | Alliance Communications Cooperative (baltic) |
| 605-985 | Enning, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-987 | Canton, SD | Landline | Qwest Corporation |
| 605-988 | Sioux Falls, SD | Landline | Qwest Corporation |
| 605-990 | Mitchell, SD | Landline | Sancom DBA Mitchell Telecom |
| 605-993 | Wall, SD | Landline | Golden West Tel Coop Inc DBA Golden West Telecomm |
| 605-994 | Hecla, SD | Landline | James Valley Cooperative Telephone Company |
| 605-995 | Mitchell, SD | Landline | Qwest Corporation |
| 605-996 | Mitchell, SD | Landline | Qwest Corporation |
| 605-999 | Mitchell, SD | Wireless | Cellco Partnership DBA Verizon Wireless |