| 319-200 | Marion | Imon Communications, Llc - Ia |
| 319-201 | Mount Pleasant | United States Cellular Corp. - Iowa |
| 319-202 | Cedar Rapids | Iowa Wireless Services, Lp |
| 319-203 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-208 | Davenport | Mcleodusa Telecommunications Services, Inc.- Ia |
| 319-209 | Davenport | Sprint Spectrum L.p. |
| 319-210 | Cedar Rapids | Sprint Spectrum L.p. |
| 319-212 | Columbus Junction | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-213 | Cedar Rapids | Mcimetro Access Transmission Services Llc |
| 319-214 | Cedar Rapids | Mcc Telephony Of Iowa, Llc - Ia |
| 319-215 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-217 | Mount Pleasant | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-219 | Mount Pleasant | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 319-221 | Cedar Rapids | Qwest Corporation |
| 319-222 | Cedar Falls | Qwest Corporation |
| 319-223 | North Liberty | South Slope Cooperative Telephone Co., Inc. |
| 319-224 | Walker | Windstream Iowa Communications, Inc. - North |
| 319-225 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-226 | Waterloo | Qwest Corporation |
| 319-227 | North Liberty | South Slope Cooperative Telephone Co., Inc. |
| 319-228 | Van Horne | Van Horne Cooperative Telephone Company |
| 319-230 | Waterloo | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-231 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-232 | Waterloo | Qwest Corporation |
| 319-233 | Waterloo | Qwest Corporation |
| 319-234 | Waterloo | Qwest Corporation |
| 319-235 | Waterloo | Qwest Corporation |
| 319-236 | Waterloo | Qwest Corporation |
| 319-237 | Burlington | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 319-238 | Cedar Rapids | Onvoy, Llc - Ia |
| 319-239 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-240 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-241 | Cedar Rapids | Iowa Wireless Services, Lp |
| 319-242 | Cedar Rapids | At&t Local |
| 319-243 | Cedar Rapids | Qwest Corporation |
| 319-244 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-246 | Davenport | At&t Local |
| 319-247 | Cedar Rapids | Qwest Corporation |
| 319-248 | Cedar Rapids | Mcleodusa Telecommunications Services, Inc.- Ia |
| 319-250 | Davenport | Onvoy, Llc - Ia |
| 319-253 | Hillsboro | Windstream Iowa Communications, Inc. |
| 319-254 | Olds | Windstream Iowa Communications, Inc. |
| 319-255 | Columbus Junction | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 319-256 | Wayland | Farmers & Merchants Mutual Telephone Co. |
| 319-257 | Winfield | Windstream Iowa Communications, Inc. |
| 319-258 | Salem | Windstream Iowa Communications, Inc. |
| 319-261 | Cedar Rapids | Mcleodusa Telecommunications Services, Inc.- Ia |
| 319-262 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-263 | Cedar Rapids | Qwest Corporation |
| 319-265 | Cedar Rapids | Mcleodusa Telecommunications Services, Inc.- Ia |
| 319-266 | Cedar Falls | Qwest Corporation |
| 319-267 | Allison | Dumont Telephone Co. |
| 319-268 | Cedar Falls | Qwest Corporation |
| 319-269 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-270 | Cedar Rapids | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-273 | Cedar Falls | Qwest Corporation |
| 319-274 | Waterloo | Qwest Corporation |
| 319-275 | Plainfield | Butler - Bremer Mutual Telephone Co. |
| 319-276 | Plainfield | Butler - Bremer Mutual Telephone Co. |
| 319-277 | Cedar Falls | Qwest Corporation |
| 319-278 | Plainfield | Butler - Bremer Mutual Telephone Co. |
| 319-279 | Readlyn | Readlyn Telephone Co. |
| 319-282 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-283 | Oelwein | Qwest Corporation |
| 319-284 | Cedar Rapids | East Buchanan Telephone Cooperative - Ia |
| 319-285 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-286 | Cedar Rapids | Qwest Corporation |
| 319-287 | Waterloo | Qwest Corporation |
| 319-288 | Davenport | Iowa Wireless Services, Lp |
| 319-290 | Waterloo | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-291 | Waterloo | Qwest Corporation |
| 319-292 | Waterloo | Qwest Corporation |
| 319-293 | Keosauqua | Van Buren Telephone Co., Inc. |
| 319-294 | Cedar Rapids | Qwest Corporation |
| 319-296 | | Qwest Corporation |
| 319-297 | Cedar Rapids | Qwest Corporation |
| 319-298 | Cedar Rapids | Qwest Corporation |
| 319-310 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-313 | Burlington | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 319-316 | Burlington | Local Telephone Data Services Corp. Dba Ltds Corp. |
| 319-321 | Iowa City | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-322 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-325 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-327 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-328 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-329 | Cedar Rapids | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-330 | Cedar Rapids | United States Cellular Corp. - Iowa |
| 319-331 | Iowa City | Cellco Partnership Dba Verizon Wireless - Ia |
| 319-332 | Independence | Independence Telecommunications Utility - Ia |
| 319-333 | Cedar Rapids | Mcc Telephony Of Iowa, Llc - Ia |
| 319-334 | Independence | Qwest Corporation |
| 319-335 | Iowa City | Qwest Corporation |
| 319-336 | North Liberty | Mcc Telephony Of Iowa, Llc - Ia |
| 319-337 | Iowa City | Qwest Corporation |
| 319-338 | Iowa City | Qwest Corporation |
| 319-339 | Iowa City | Qwest Corporation |
| 319-341 | Iowa City | Qwest Corporation |
| 319-342 | La Porte City | La Porte City Telephone Company |
| 319-343 | Cedar Rapids | Shellsburg Cablevision, Inc. - Ia |
| 319-345 | Reinbeck | Windstream Iowa Communications, Inc. - North |