| 1-641-200 | | | |
| 1-641-201 | Polk | Des Moines | Sprint Spectrum L.p. |
| 1-641-202 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-203 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-204 | Marion | Knoxville | Sprint Spectrum L.p. |
| 1-641-205 | Marion | Knoxville | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 1-641-206 | Polk | Des Moines | New Cingular Wireless Pcs, Llc - Il |
| 1-641-207 | Jefferson | Fairfield | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 1-641-208 | Davis | Bloomfield | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-209 | Jefferson | Fairfield | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 1-641-210 | Polk | Des Moines | Sprint Spectrum L.p. |
| 1-641-211 | | | |
| 1-641-212 | Adair | Greenfield | Windstream Iowa Communications, Inc. - Systems |
| 1-641-213 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-214 | | | |
| 1-641-215 | | | |
| 1-641-216 | Appanoose | Centerville | United States Cellular Corp. - Iowa |
| 1-641-217 | Lucas | Chariton | Windstream Iowa Communications, Inc. |
| 1-641-218 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-219 | | | |
| 1-641-220 | Cerro Gordo | Mason City | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-221 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-222 | | | |
| 1-641-223 | Polk | Des Moines | Windstream Iowa Communications, Inc. - North |
| 1-641-224 | Keokuk | Sigourney | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 1-641-225 | Marion | Knoxville | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 1-641-226 | Polk | Johnston | New Cingular Wireless Pcs, Llc - Il |
| 1-641-227 | Marshall | State Center | Partner Communications Cooperative |
| 1-641-228 | Floyd | Charles City | Qwest Corporation |
| 1-641-229 | Chickasaw | New Hampton | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-230 | Polk | Des Moines | New Cingular Wireless Pcs, Llc - Il |
| 1-641-231 | Cerro Gordo | Clear Lake | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-232 | Polk | Des Moines | New Cingular Wireless Pcs, Llc - Il |
| 1-641-233 | Jefferson | Fairfield | Iowa Wireless Services, Lp |
| 1-641-234 | Polk | Des Moines | Iowa Rsa 2 Limited Partnership Dba Chat Mobility |
| 1-641-235 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-236 | Poweshiek | Grinnell | Windstream Iowa Communications, Inc. - North |
| 1-641-237 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-238 | | | |
| 1-641-239 | | | |
| 1-641-240 | | | |
| 1-641-241 | | | |
| 1-641-242 | Polk | Des Moines | Mcc Telephony Of Iowa, Llc - Ia |
| 1-641-243 | Polk | Des Moines | Level 3 Communications, Llc - Ia |
| 1-641-244 | Polk | Des Moines | New Cingular Wireless Pcs, Llc - Il |
| 1-641-245 | | | |
| 1-641-246 | | | |
| 1-641-247 | Guthrie | Casey | United States Cellular Corp. - Iowa |
| 1-641-248 | | | |
| 1-641-249 | | | |
| 1-641-250 | | | |
| 1-641-251 | Polk | Des Moines | Iowa Wireless Services, Lp |
| 1-641-252 | | | |
| 1-641-253 | | | |
| 1-641-254 | | | |
| 1-641-255 | | | |
| 1-641-256 | | | |
| 1-641-257 | Floyd | Charles City | Qwest Corporation |
| 1-641-258 | | | |
| 1-641-259 | Jasper | Monroe | Windstream Iowa Communications, Inc. |
| 1-641-260 | Monroe | Albia | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-261 | | | |
| 1-641-262 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-263 | | | |
| 1-641-264 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-265 | | | |
| 1-641-266 | | | |
| 1-641-267 | | | |
| 1-641-268 | | | |
| 1-641-269 | Poweshiek | Grinnell | Windstream Iowa Communications, Inc. - North |
| 1-641-270 | | | |
| 1-641-271 | | | |
| 1-641-272 | | | |
| 1-641-273 | | | |
| 1-641-274 | | | |
| 1-641-275 | Polk | Des Moines | New Cingular Wireless Pcs, Llc - Il |
| 1-641-276 | | | |
| 1-641-277 | | | |
| 1-641-278 | Union | Creston | Windstream Iowa Communications, Inc. - North |
| 1-641-279 | | | |
| 1-641-280 | | | |
| 1-641-281 | | | |
| 1-641-282 | | | |
| 1-641-283 | | | |
| 1-641-284 | | | |
| 1-641-285 | | | |
| 1-641-286 | | | |
| 1-641-287 | | | |
| 1-641-288 | | | |
| 1-641-289 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-290 | | | |
| 1-641-291 | | | |
| 1-641-292 | | | |
| 1-641-293 | Winnebago | Lake Mills | Winnebago Coop. Telephone Assn. - Iowa |
| 1-641-294 | | | |
| 1-641-295 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-296 | | | |
| 1-641-297 | Warren | Saint Marys | Fmtc-i35, Inc. Dba Interstate Communications |
| 1-641-298 | Goodhue | Kenyon | Citizens Telecom Co Mn-frontier Citizens Com-mn |
| 1-641-299 | | | |
| 1-641-300 | | | |
| 1-641-301 | | | |
| 1-641-302 | | | |
| 1-641-303 | | | |
| 1-641-304 | | | |
| 1-641-307 | Guthrie | Guthrie Center | Windstream Iowa Communications, Inc. - Systems |
| 1-641-308 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-309 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-310 | | | |
| 1-641-312 | | | |
| 1-641-314 | | | |
| 1-641-315 | Floyd | Marble Rock | Omnitel Communications, Inc. - Ia |
| 1-641-316 | Polk | Des Moines | Onvoy, Llc - Ia |
| 1-641-317 | Hancock | Klemme | Greenway Communications Llc - Ia |
| 1-641-318 | Marion | Knoxville | Iowa Wireless Services, Lp |
| 1-641-319 | | | |
| 1-641-320 | | | |
| 1-641-321 | | | |
| 1-641-322 | Adams | Corning | Frontier Communications Of Iowa, Inc. |
| 1-641-323 | Polk | Des Moines | Winnebago Cooperative Telephone Association - Ia |
| 1-641-324 | Worth | Northwood | Qwest Corporation |
| 1-641-325 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-326 | Mower | Lyle | Citizens Telecom Co Mn-frontier Citizens Com-mn |
| 1-641-327 | | | |
| 1-641-328 | Polk | Des Moines | Sprint Spectrum L.p. |
| 1-641-329 | Mower | Le Roy | Citizens Telecom Co Mn-frontier Citizens Com-mn |
| 1-641-330 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-331 | | | |
| 1-641-332 | Guthrie | Guthrie Center | Guthrie Telecommunications Network Inc. - Ia |
| 1-641-333 | Taylor | Lenox | Frontier Communications Of Iowa, Inc. |
| 1-641-334 | | | |
| 1-641-335 | Adair | Bridgewater | Windstream Iowa Communications, Inc. - North |
| 1-641-336 | Taylor | Clearfield | Windstream Iowa Communications, Inc. |
| 1-641-337 | Adair | Orient | Windstream Iowa Communications, Inc. - North |
| 1-641-338 | Decatur | Leon | Grand River Mutual Telephone Co. |
| 1-641-339 | Union | Shannon City | Windstream Iowa Communications, Inc. |
| 1-641-340 | Clarke | Osceola | Iowa Rsa 2 Limited Partnership Dba Chat Mobility |
| 1-641-341 | | | |
| 1-641-342 | Clarke | Osceola | Windstream Iowa Communications, Inc. - North |
| 1-641-343 | Adair | Greenfield | Windstream Iowa Communications, Inc. - Systems |
| 1-641-344 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-345 | Union | Creston | Coon Valley Cooperative Telephone Assn., Inc. |
| 1-641-346 | Union | Shannon City | Windstream Iowa Communications, Inc. |
| 1-641-347 | Union | Afton | Windstream Iowa Communications, Inc. |
| 1-641-348 | | | Windstream Iowa Communications, Inc. - North |
| 1-641-349 | Taylor | Sharpsburg | Frontier Communications Of Iowa, Inc. |
| 1-641-351 | Polk | Des Moines | Sprint Spectrum L.p. |
| 1-641-352 | Polk | Urbandale | Mcleodusa Telecommunications Services, Inc.- Ia |
| 1-641-353 | Polk | Des Moines | Mcc Telephony Of Iowa, Llc - Ia |
| 1-641-354 | | | |
| 1-641-355 | Cerro Gordo | Clear Lake | Clear Lake Independent Telephone Co. |
| 1-641-356 | | | |
| 1-641-357 | Cerro Gordo | Clear Lake | Clear Lake Independent Telephone Co. |
| 1-641-358 | Cerro Gordo | Thornton | Frontier Communications Of Iowa, Inc. |
| 1-641-359 | | | |
| 1-641-360 | | | |
| 1-641-361 | | | |
| 1-641-362 | | | |
| 1-641-363 | Jasper | Mingo | Windstream Iowa Communications, Inc. - Systems |
| 1-641-364 | Chickasaw | Alta Vista | Windstream Iowa Communications, Inc. - North |
| 1-641-366 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-368 | | | |
| 1-641-369 | Adair | Bridgewater | Windstream Iowa Communications, Inc. - Systems |
| 1-641-372 | Polk | Des Moines | Mcc Telephony Of Iowa, Llc - Ia |
| 1-641-373 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-375 | | | |
| 1-641-377 | Story | Colo | Colo Telephone Co. |
| 1-641-378 | | | |
| 1-641-379 | | | |
| 1-641-380 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-381 | Cerro Gordo | Mason City | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-382 | | | |
| 1-641-383 | | | |
| 1-641-384 | | | |
| 1-641-385 | Story | Collins | Windstream Iowa Communications, Inc. - North |
| 1-641-386 | | | |
| 1-641-387 | | | |
| 1-641-388 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-390 | Cerro Gordo | Mason City | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-391 | | | |
| 1-641-392 | | | |
| 1-641-393 | Howard | Elma | Windstream Iowa Communications, Inc. - North |
| 1-641-394 | Chickasaw | New Hampton | Windstream Iowa Communications, Inc. - Systems |
| 1-641-395 | Floyd | Rudd | Farmers Mutual Telephone Co. - Nora Springs |
| 1-641-396 | Warren | Saint Marys | Fmtc-i35, Inc. Dba Interstate Communications |
| 1-641-397 | Floyd | Marble Rock | Windstream Iowa Communications, Inc. - Systems |
| 1-641-398 | Floyd | Floyd | Farmers Mutual Telephone Co. - Nora Springs |
| 1-641-399 | | | |
| 1-641-400 | | | |
| 1-641-401 | | | |
| 1-641-402 | | | |
| 1-641-403 | | | |
| 1-641-404 | | | |
| 1-641-405 | | | |
| 1-641-406 | | | |
| 1-641-407 | | | |
| 1-641-410 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-411 | | | |
| 1-641-412 | | | |
| 1-641-413 | Polk | Des Moines | Rsa 1 Limited Partnership Dba Chat Mobility |
| 1-641-414 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-415 | | | |
| 1-641-416 | Marion | Knoxville | Sprint Spectrum L.p. |
| 1-641-417 | Polk | Johnston | Sprint Spectrum L.p. |
| 1-641-418 | Polk | Des Moines | Rsa 1 Limited Partnership Dba Chat Mobility |
| 1-641-419 | | | |
| 1-641-420 | Cerro Gordo | Mason City | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-421 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-422 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-423 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-424 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-425 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-426 | Cerro Gordo | Mason City | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-427 | Guthrie | Bagley | Windstream Iowa Communications, Inc. |
| 1-641-428 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-429 | Guthrie | Jamaica | Windstream Iowa Communications, Inc. |
| 1-641-430 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-431 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-432 | Winnebago | Forest City | Windstream Iowa Communications, Inc. - North |
| 1-641-433 | Keokuk | What Cheer | Windstream Iowa Communications, Inc. - North |
| 1-641-434 | | | |
| 1-641-435 | Polk | Des Moines | Qwest Corporation |
| 1-641-436 | Monroe | Albia | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-437 | Appanoose | Centerville | Windstream Iowa Communications, Inc. |
| 1-641-438 | | | |
| 1-641-439 | Guthrie | Panora | Panora Communications Cooperative |
| 1-641-440 | Polk | Des Moines | Mcc Telephony Of Iowa, Llc - Ia |
| 1-641-441 | | | |
| 1-641-442 | Decatur | Leon | Grand River Mutual Telephone Co. |
| 1-641-443 | Decatur | Leon | Grand River Mutual Telephone Co. |
| 1-641-444 | Wright | Belmond | Frontier Communications Of Iowa, Inc. |
| 1-641-445 | Decatur | Leon | Grand River Mutual Telephone Co. |
| 1-641-446 | Decatur | Leon | Grand River Mutual Telephone Co. |
| 1-641-447 | Wayne | Corydon | South Central Communications, Inc. |
| 1-641-448 | | | |
| 1-641-449 | Warren | New Virginia | Windstream Iowa Communications, Inc. |
| 1-641-450 | Cerro Gordo | Mason City | Northland Communications, Inc. - Ia |
| 1-641-451 | Monroe | Albia | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-452 | Appanoose | Unionville | Windstream Iowa Communications, Inc. |
| 1-641-453 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-454 | Worth | Manly | Qwest Corporation |
| 1-641-455 | Polk | Des Moines | Sprint Spectrum L.p. |
| 1-641-456 | Franklin | Hampton | Qwest Corporation |
| 1-641-457 | Polk | Des Moines | Mcc Telephony Of Iowa, Llc - Ia |
| 1-641-458 | Polk | Des Moines | Qwest Corporation |
| 1-641-459 | Davis | Floris | Citizens Mutual Telephone Cooperative |
| 1-641-460 | | | |
| 1-641-461 | | | |
| 1-641-462 | | | |
| 1-641-463 | | | |
| 1-641-464 | Ringgold | Mount Ayr | Windstream Iowa Communications, Inc. |
| 1-641-465 | Hancock | Klemme | Greenway Communications Llc - Ia |
| 1-641-466 | Warren | Liberty Center | Windstream Iowa Communications, Inc. |
| 1-641-467 | | | |
| 1-641-468 | | | |
| 1-641-469 | Jefferson | Fairfield | Windstream Iowa Communications, Inc. - Systems |
| 1-641-470 | Jefferson | Fairfield | Windstream Iowa Communications, Inc. - Systems |
| 1-641-471 | | | |
| 1-641-472 | Jefferson | Fairfield | Windstream Iowa Communications, Inc. - Systems |
| 1-641-473 | Tama | Gladbrook | Windstream Iowa Communications, Inc. - North |
| 1-641-474 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-475 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-476 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-477 | Story | Zearing | Minerva Valley Telephone Co., Inc. |
| 1-641-478 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-479 | Marshall | Le Grand | Windstream Iowa Communications, Inc. - North |
| 1-641-480 | | | |
| 1-641-481 | Monroe | Albia | Cellco Partnership Dba Verizon Wireless - Ia |
| 1-641-482 | Marshall | State Center | Partner Communications Cooperative |
| 1-641-483 | Marshall | State Center | Partner Communications Cooperative |
| 1-641-484 | Tama | Toledo | Windstream Iowa Communications, Inc. - North |
| 1-641-485 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-486 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-487 | Story | Zearing | Minerva Valley Telephone Co., Inc. |
| 1-641-488 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-489 | Tama | Chelsea | Windstream Iowa Communications, Inc. - North |
| 1-641-490 | | | |
| 1-641-491 | | | |
| 1-641-492 | Tama | Montour | Windstream Iowa Communications, Inc. - North |
| 1-641-493 | Marshall | State Center | Partner Communications Cooperative |
| 1-641-494 | Cerro Gordo | Mason City | Qwest Corporation |
| 1-641-495 | Hancock | Goodell | Frontier Communications Of Iowa, Inc. |
| 1-641-496 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-497 | Hardin | Union | Heart Of Iowa Communications Cooperative |
| 1-641-498 | Marshall | Gilman | Partner Communications Cooperative |
| 1-641-499 | Tama | Garwin | Windstream Iowa Communications, Inc. - North |
| 1-641-500 | | | |
| 1-641-501 | | | |
| 1-641-502 | Marshall | Gilman | Partner Communications Cooperative |
| 1-641-503 | | | |
| 1-641-504 | Mahaska | Oskaloosa | Iowa Wireless Services, Lp |
| 1-641-505 | Polk | Des Moines | Bandwidth.com Clec, Llc - Ia |
| 1-641-506 | | | |
| 1-641-507 | Marshall | Gilman | Partner Communications Cooperative |
| 1-641-508 | | | |
| 1-641-509 | Floyd | Rudd | Farmers Telephone Co. |
| 1-641-510 | Polk | Des Moines | Iowa Wireless Services, Lp |
| 1-641-512 | Polk | Johnston | United States Cellular Corp. - Iowa |
| 1-641-513 | | | |
| 1-641-514 | | | |
