| +1 563-200 | IA | 624H | Onvoy spectrum, llc | Davenport |
| +1 563-201 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-202 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Decorah |
| +1 563-203 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Cresco |
| +1 563-204 | IA | 073H | Telnyx llc | Lansing |
| +1 563-205 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-206 | IA | 7575 | Centurylink communications llc | Clinton |
| +1 563-207 | IA | 6534 | New cingular wireless pcs, llc - il | Dubuque |
| +1 563-208 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-209 | IA | 7229 | Mcimetro access transmission services llc | Davenport |
| +1 563-210 | IA | 6266 | United states cellular corp. - iowa | Davenport |
| +1 563-212 | IA | 6266 | United states cellular corp. - iowa | Clinton |
| +1 563-213 | IA | 6664 | Sprint spectrum l.p. | Dubuque |
| +1 563-214 | IA | 7575 | Centurylink communications llc | Davenport |
| +1 563-215 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-216 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-217 | IA | 9877 | Level 3 communications, llc - ia | Waukon |
| +1 563-218 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-219 | IA | 7421 | At&t local | Clinton |
| +1 563-220 | IA | 751F | Mcc telephony of iowa, llc - ia | Sabula |
| +1 563-221 | IA | 6266 | United states cellular corp. - iowa | De witt |
| +1 563-222 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-223 | IA | 751F | Mcc telephony of iowa, llc - ia | Eldridge |
| +1 563-224 | IA | 1178 | Windstream iowa communications, inc. | Maynard |
| +1 563-225 | IA | 1125 | Central scott telephone | Mccausland |
| +1 563-226 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-227 | IA | 751F | Mcc telephony of iowa, llc - ia | Dubuque |
| +1 563-228 | IA | 1170 | Windstream iowa communications, inc. - systems | Bellevue |
| +1 563-229 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-230 | IA | 1167 | Windstream iowa communications, inc. - north | Dyersville |
| +1 563-231 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-232 | IA | 8344 | Teleport communications america, llc - ia | Davenport |
| +1 563-233 | IA | 751F | Mcc telephony of iowa, llc - ia | Sumner |
| +1 563-234 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-235 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Dubuque |
| +1 563-236 | IA | 9877 | Level 3 communications, llc - ia | Andrew |
| +1 563-237 | IA | 1170 | Windstream iowa communications, inc. - systems | Fredecksbg |
| +1 563-238 | IA | 1178 | Windstream iowa communications, inc. | Lawler |
| +1 563-239 | IA | 751F | Mcc telephony of iowa, llc - ia | Dubuque |
| +1 563-240 | IA | 9877 | Level 3 communications, llc - ia | Lamotte |
| +1 563-241 | IA | 9631 | Qwest corporation | Clinton |
| +1 563-242 | IA | 9631 | Qwest corporation | Clinton |
| +1 563-243 | IA | 9631 | Qwest corporation | Clinton |
| +1 563-244 | IA | 9631 | Qwest corporation | Clinton |
| +1 563-245 | IA | 1106 | Alpine communications, l.c. | Elkader |
| +1 563-246 | IA | 1160 | F&b communications, inc. | Calamus |
| +1 563-247 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-248 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-249 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Clinton |
| +1 563-250 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-251 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-252 | IA | 1106 | Alpine communications, l.c. | Guttenberg |
| +1 563-253 | IA | 1170 | Windstream iowa communications, inc. - systems | Tipton |
| +1 563-254 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-255 | IA | 1106 | Alpine communications, l.c. | Garber |
| +1 563-256 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-257 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-258 | IA | 6534 | New cingular wireless pcs, llc - il | Dubuque |
| +1 563-259 | IA | 9631 | Qwest corporation | Clinton |
| +1 563-260 | IA | 6266 | United states cellular corp. - iowa | Muscatine |
| +1 563-261 | IA | 695G | Imon communications, llc - ia | Muscatine |
| +1 563-262 | IA | 9631 | Qwest corporation | Muscatine |
| +1 563-263 | IA | 9631 | Qwest corporation | Muscatine |
| +1 563-264 | IA | 9631 | Qwest corporation | Muscatine |
| +1 563-265 | IA | 9877 | Level 3 communications, llc - ia | Davenport |
| +1 563-266 | IA | 9877 | Level 3 communications, llc - ia | Bernard |
| +1 563-267 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-268 | IA | 9877 | Level 3 communications, llc - ia | Baldwin |
| +1 563-269 | IA | 9877 | Level 3 communications, llc - ia | Cascade |
| +1 563-270 | IA | 9877 | Level 3 communications, llc - ia | Center jct |
| +1 563-271 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Davenport |
| +1 563-272 | IA | 9631 | Qwest corporation | Muscatine |
| +1 563-273 | IA | 9877 | Level 3 communications, llc - ia | Onslow |
| +1 563-274 | IA | 9877 | Level 3 communications, llc - ia | Ottercreek |
| +1 563-275 | IA | 938D | Windstream it-comm, llc - ia | Davenport |
| +1 563-276 | IA | 221F | Onvoy, llc ia | Waukon |
| +1 563-277 | IA | 751F | Mcc telephony of iowa, llc - ia | Decorah |
| +1 563-278 | IA | 221F | Onvoy, llc ia | Clinton |
| +1 563-279 | IA | 423H | Airus, inc. - ia | Davenport |
| +1 563-280 | IA | 6630 | Usa mobility wireless, inc. | Davenport |
| +1 563-281 | IA | 221F | Onvoy, llc ia | Muscatine |
| +1 563-282 | IA | 1125 | Central scott telephone | Donahue |
| +1 563-283 | IA | 321J | Hd carrier llc | Muscatine |
| +1 563-284 | IA | 9631 | Qwest corporation | Walcott |
| +1 563-285 | IA | 1125 | Central scott telephone | Eldridge |
| +1 563-286 | IA | 073H | Telnyx llc | Davenport |
| +1 563-287 | IA | 423H | Airus, inc. - ia | Decorah |
| +1 563-288 | IA | 9631 | Qwest corporation | Muscatine |
| +1 563-289 | IA | 1170 | Windstream iowa communications, inc. - systems | Le claire |
| +1 563-292 | IA | 423H | Airus, inc. - ia | West union |
| +1 563-293 | IA | 221F | Onvoy, llc ia | Davenport |
| +1 563-295 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-297 | IA | 207J | Big river telephone company, llc - ia | Arlington |
| +1 563-298 | IA | 6534 | New cingular wireless pcs, llc - il | Guttenberg |
| +1 563-299 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Muscatine |
| +1 563-300 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-301 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-302 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-303 | IA | 1178 | Windstream iowa communications, inc. | Fayette |
| +1 563-304 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-305 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-308 | IA | 751F | Mcc telephony of iowa, llc - ia | Preston |
| +1 563-313 | IA | 1167 | Windstream iowa communications, inc. - north | Cresco |
| +1 563-315 | IA | 1167 | Windstream iowa communications, inc. - north | Strawbrypt |
| +1 563-316 | IA | 204A | Cs technologies, inc. - ia | Muscatine |
| +1 563-320 | IA | 6266 | United states cellular corp. - iowa | Davenport |
| +1 563-321 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Clinton |
| +1 563-322 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-323 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-324 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-325 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-326 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-327 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-328 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-329 | IA | 6266 | United states cellular corp. - iowa | Mcgregor |
| +1 563-331 | IA | 6266 | United states cellular corp. - iowa | Tipton |
| +1 563-332 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-333 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-334 | IA | 423H | Airus, inc. - ia | Decorah |
| +1 563-335 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-336 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-337 | IA | 429J | Hawkeye interconnect company - ia | Fayette |
| +1 563-339 | IA | 1170 | Windstream iowa communications, inc. - systems | Sumner |
| +1 563-340 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Davenport |
| +1 563-343 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Davenport |
| +1 563-344 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-345 | IA | 204A | Cs technologies, inc. - ia | Davenport |
| +1 563-349 | IA | 6266 | United states cellular corp. - iowa | Davenport |
| +1 563-355 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-356 | IA | 965H | Fractel, llc | Chester |
| +1 563-357 | IA | 6266 | United states cellular corp. - iowa | Clinton |
| +1 563-358 | IA | 751F | Mcc telephony of iowa, llc - ia | Ftatkinson |
| +1 563-359 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-362 | IA | 551G | Brightlink communications, llc | Davenport |
| +1 563-363 | IA | 1167 | Windstream iowa communications, inc. - north | Manchester |
| +1 563-365 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-370 | IA | 6266 | United states cellular corp. - iowa | Davenport |
| +1 563-374 | IA | 1160 | F&b communications, inc. | Wheatland |
| +1 563-375 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-377 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-379 | IA | 6266 | United states cellular corp. - iowa | Decorah |
| +1 563-380 | IA | 6266 | United states cellular corp. - iowa | Decorah |
| +1 563-381 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-382 | IA | 9631 | Qwest corporation | Decorah |
| +1 563-383 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-385 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-386 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-387 | IA | 9631 | Qwest corporation | Decorah |
| +1 563-388 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-391 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-393 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-396 | IA | 6529 | T-mobile usa, inc. | Davenport |
| +1 563-399 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-400 | IA | 965H | Fractel, llc | Cresco |
| +1 563-402 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-412 | IA | 751F | Mcc telephony of iowa, llc - ia | West union |
| +1 563-414 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-419 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Decorah |
| +1 563-421 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-422 | IA | 9631 | Qwest corporation | West union |
| +1 563-423 | IA | 1346 | Ace telephone association - iowa | Clermont |
| +1 563-424 | IA | 751F | Mcc telephony of iowa, llc - ia | Davenport |
| +1 563-425 | IA | 1178 | Windstream iowa communications, inc. | Fayette |
| +1 563-426 | IA | 1106 | Alpine communications, l.c. | Elgin |
| +1 563-427 | IA | 1199 | Hawkeye telephone co. | Hawkeye |
| +1 563-428 | IA | 1178 | Windstream iowa communications, inc. | Randalia |
| +1 563-429 | IA | 1178 | Windstream iowa communications, inc. | Alpha |
| +1 563-432 | IA | 1241 | Mechanicsville telephone co. | Mechancsvl |
| +1 563-440 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-441 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-443 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-444 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-445 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-447 | IA | 985E | Bandwidth.com clec, llc - ia | Walcott |
| +1 563-448 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-449 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-451 | IA | 7421 | At&t local | Dubuque |
| +1 563-452 | IA | 1130 | Clarence telephone co., inc. | Clarence |
| +1 563-454 | IA | 751F | Mcc telephony of iowa, llc - ia | Wyoming |
| +1 563-455 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-459 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-468 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-482 | IA | 1178 | Windstream iowa communications, inc. | Lawler |
| +1 563-484 | IA | 985E | Bandwidth.com clec, llc - ia | Davenport |
| +1 563-485 | IA | 1265 | Onslow cooperative telephone association | Onslow |
| +1 563-486 | IA | 751F | Mcc telephony of iowa, llc - ia | Oxford jct |
| +1 563-487 | IA | 1121 | Center junction telephone co. | Center jct |
| +1 563-488 | IA | 1343 | Wyoming mutual telephone co. | Wyoming |
| +1 563-492 | IA | 1485 | Spring grove communications | Sospggrove |
| +1 563-495 | IA | 6529 | T-mobile usa, inc. | Dubuque |
| +1 563-496 | IA | 1424 | Mabel cooperative telephone co. - iowa | Hesper |
| +1 563-497 | IA | 1345 | Ace telephone association - minnesota | Dorchester |
| +1 563-499 | IA | 7421 | At&t local | Davenport |
| +1 563-500 | IA | 965H | Fractel, llc | Dubuque |
| +1 563-503 | IA | 6664 | Sprint spectrum l.p. | Clinton |
| +1 563-505 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-506 | IA | 6664 | Sprint spectrum l.p. | Muscatine |
| +1 563-508 | IA | 6534 | New cingular wireless pcs, llc - il | Davenport |
| +1 563-513 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-514 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-516 | IA | 6529 | T-mobile usa, inc. | Elkader |
| +1 563-517 | IA | 6529 | T-mobile usa, inc. | Decorah |
| +1 563-518 | IA | 6529 | T-mobile usa, inc. | West union |
| +1 563-519 | IA | 8474 | Mcleodusa telecommunications services, inc.- ia | Clinton |
| +1 563-521 | IA | 7575 | Centurylink communications llc | Maquoketa |
| +1 563-522 | IA | 1170 | Windstream iowa communications, inc. - systems | Low moor |
| +1 563-525 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-526 | IA | 197D | Vonage network inc. | Davenport |
| +1 563-528 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-529 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-532 | IA | 1346 | Ace telephone association - iowa | Ossian |
| +1 563-534 | IA | 1346 | Ace telephone association - iowa | Ftatkinson |
| +1 563-535 | IA | 1346 | Ace telephone association - iowa | Waterville |
| +1 563-536 | IA | 1230 | Northeast iowa telephone co. | Farmersbg |
| +1 563-537 | IA | 6529 | T-mobile usa, inc. | Monona |
| +1 563-538 | IA | 9631 | Qwest corporation | Lansing |
| +1 563-539 | IA | 1230 | Northeast iowa telephone co. | Monona |
| +1 563-542 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-543 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-544 | IA | 1346 | Ace telephone association - iowa | New albin |
| +1 563-546 | IA | 1346 | Ace telephone association - iowa | Highlandvl |
| +1 563-547 | IA | 1167 | Windstream iowa communications, inc. - north | Cresco |
| +1 563-549 | IA | 8344 | Teleport communications america, llc - ia | Davenport |
| +1 563-551 | IA | 722G | Wide voice, llc - ia | Davenport |
| +1 563-552 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-554 | IA | 6664 | Sprint spectrum l.p. | Muscatine |
| +1 563-556 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-557 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-559 | IA | 6664 | Sprint spectrum l.p. | Clinton |
| +1 563-562 | IA | 9631 | Qwest corporation | Calmar |
| +1 563-564 | IA | 6664 | Sprint spectrum l.p. | Dubuque |
| +1 563-565 | IA | 1126 | Centurytel of chester, inc. dba centurylink | Chester |
| +1 563-566 | IA | 1178 | Windstream iowa communications, inc. | Lime spg |
| +1 563-567 | IA | 1346 | Ace telephone association - iowa | Castalia |
| +1 563-568 | IA | 9631 | Qwest corporation | Waukon |
| +1 563-569 | IA | 1167 | Windstream iowa communications, inc. - north | Protivin |
| +1 563-570 | IA | 6529 | T-mobile usa, inc. | Davenport |
| +1 563-571 | IA | 6529 | T-mobile usa, inc. | Muscatine |
| +1 563-574 | IA | 4245 | F&b communications, inc. - ia | Delmar |
| +1 563-577 | IA | 1276 | Preston telephone co. | Goose lake |
| +1 563-578 | IA | 1170 | Windstream iowa communications, inc. - systems | Sumner |
| +1 563-579 | IA | 6529 | T-mobile usa, inc. | Davenport |
| +1 563-580 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Dubuque |
| +1 563-581 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Dubuque |
| +1 563-582 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-583 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-584 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-585 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-586 | IA | 1346 | Ace telephone association - iowa | Harpesfrry |
| +1 563-587 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-588 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-589 | IA | 9631 | Qwest corporation | Dubuque |
| +1 563-590 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-593 | IA | 6529 | T-mobile usa, inc. | Clinton |
| +1 563-594 | IA | 353E | Ymax communications corp. - ia | Davenport |
| +1 563-595 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-599 | IA | 6266 | United states cellular corp. - iowa | Dubuque |
| +1 563-600 | IA | 965H | Fractel, llc | Lansing |
| +1 563-605 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Postville |
| +1 563-607 | IA | 6534 | New cingular wireless pcs, llc - il | Muscatine |
| +1 563-608 | IA | 6266 | United states cellular corp. - iowa | Manchester |
| +1 563-613 | IA | 6534 | New cingular wireless pcs, llc - il | Low moor |
| +1 563-633 | IA | 1167 | Windstream iowa communications, inc. - north | Arlington |
| +1 563-635 | IA | 1170 | Windstream iowa communications, inc. - systems | Le claire |
| +1 563-637 | IA | 1178 | Windstream iowa communications, inc. | Maynard |
| +1 563-639 | IA | 6534 | New cingular wireless pcs, llc - il | Davenport |
| +1 563-645 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-649 | IA | 1170 | Windstream iowa communications, inc. - systems | Atalissa |
| +1 563-650 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-651 | IA | 751F | Mcc telephony of iowa, llc - ia | Oxford jct |
| +1 563-652 | IA | 9631 | Qwest corporation | Maquoketa |
| +1 563-655 | IA | 1170 | Windstream iowa communications, inc. - systems | De witt |
| +1 563-657 | IA | 7421 | At&t local | Walcott |
| +1 563-658 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-659 | IA | 1170 | Windstream iowa communications, inc. - systems | De witt |
| +1 563-661 | IA | 7421 | At&t local | Maquoketa |
| +1 563-663 | IA | 6534 | New cingular wireless pcs, llc - il | Dubuque |
| +1 563-666 | IA | 221F | Onvoy, llc ia | Walcott |
| +1 563-672 | IA | 1097 | Andrew telephone co., inc. | Andrew |
| +1 563-673 | IA | 1107 | Baldwin nashville telephone co., inc. | Baldwin |
| +1 563-674 | IA | 1170 | Windstream iowa communications, inc. - systems | Delmar |
| +1 563-676 | IA | 6664 | Sprint spectrum l.p. | Davenport |
| +1 563-677 | IA | 1170 | Windstream iowa communications, inc. - systems | Charlotte |
| +1 563-678 | IA | 1229 | Lost nation - elwood telephone company | Lostnation |
| +1 563-682 | IA | 1242 | Miles cooperative telephone association | Miles |
| +1 563-683 | IA | 751F | Mcc telephony of iowa, llc - ia | New albin |
| +1 563-686 | IA | 1118 | Cascade communications company | Ottercreek |
| +1 563-687 | IA | 1170 | Windstream iowa communications, inc. - systems | Sabula |
| +1 563-689 | IA | 1276 | Preston telephone co. | Preston |
| +1 563-690 | IA | 8474 | Mcleodusa telecommunications services, inc.- ia | Dubuque |
| +1 563-694 | IA | 751F | Mcc telephony of iowa, llc - ia | Goose lake |
| +1 563-722 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-723 | IA | 221F | Onvoy, llc ia | Davenport |
| +1 563-724 | IA | 1170 | Windstream iowa communications, inc. - systems | Moscow |
| +1 563-725 | IA | 751F | Mcc telephony of iowa, llc - ia | Elgin |
| +1 563-726 | IA | 221F | Onvoy, llc ia | Davenport |
| +1 563-729 | IA | 751F | Mcc telephony of iowa, llc - ia | Le claire |
| +1 563-732 | IA | 1336 | Wilton telephone co. | Wilton |
| +1 563-735 | IA | 1424 | Mabel cooperative telephone co. - iowa | Burr oak |
| +1 563-737 | IA | 1424 | Mabel cooperative telephone co. - iowa | Ridgeway |
| +1 563-742 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-744 | IA | 1167 | Windstream iowa communications, inc. - north | Farley |
| +1 563-745 | IA | 1345 | Ace telephone association - minnesota | So canton |
| +1 563-747 | IA | 6664 | Sprint spectrum l.p. | Walcott |
| +1 563-748 | IA | 985E | Bandwidth.com clec, llc - ia | Maquoketa |
| +1 563-764 | IA | 751F | Mcc telephony of iowa, llc - ia | Ossian |
| +1 563-766 | IA | 965H | Fractel, llc | Colesburg |
| +1 563-767 | IA | 1167 | Windstream iowa communications, inc. - north | Volga |
| +1 563-770 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Muscatine |
| +1 563-773 | IA | 1222 | La motte telephone company | Lamotte |
| +1 563-774 | IA | 1167 | Windstream iowa communications, inc. - north | Wadena |
| +1 563-776 | IA | 1178 | Windstream iowa communications, inc. | Waucoma |
| +1 563-777 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Sabula |
| +1 563-778 | IA | 1178 | Windstream iowa communications, inc. | St lucas |
| +1 563-783 | IA | 1230 | Northeast iowa telephone co. | St olaf |
| +1 563-785 | IA | 1170 | Windstream iowa communications, inc. - systems | Durant |
| +1 563-794 | IA | 6266 | United states cellular corp. - iowa | Waukon |
| +1 563-800 | IA | 221F | Onvoy, llc ia | Calmar |
| +1 563-822 | IA | 751F | Mcc telephony of iowa, llc - ia | Manchester |
| +1 563-823 | IA | 8474 | Mcleodusa telecommunications services, inc.- ia | Davenport |
| +1 563-826 | IA | 1229 | Lost nation - elwood telephone company | Oxford jct |
| +1 563-843 | IA | 1150 | Dixon acquisition, llc | Dixon |
| +1 563-845 | IA | 7421 | At&t local | Dubuque |
| +1 563-847 | IA | 1191 | Grand mound cooperative telephone assn. | Grandmound |
| +1 563-849 | IA | 751F | Mcc telephony of iowa, llc - ia | Hesper |
| +1 563-852 | IA | 1118 | Cascade communications company | Cascade |
| +1 563-853 | IA | 1167 | Windstream iowa communications, inc. - north | Luxemburg |
| +1 563-855 | IA | 1167 | Windstream iowa communications, inc. - north | Worthingtn |
| +1 563-856 | IA | 1167 | Windstream iowa communications, inc. - north | Colesburg |
| +1 563-863 | IA | 859H | Neit services llc - ia | Postville |
| +1 563-864 | IA | 1274 | Centurytel of postville, inc. dba centurylink | Postville |
| +1 563-870 | IA | 1167 | Windstream iowa communications, inc. - north | Holy cross |
| +1 563-872 | IA | 1170 | Windstream iowa communications, inc. - systems | Bellevue |
| +1 563-873 | IA | 1106 | Alpine communications, l.c. | Mcgregor |
| +1 563-875 | IA | 1167 | Windstream iowa communications, inc. - north | Dyersville |
| +1 563-876 | IA | 1167 | Windstream iowa communications, inc. - north | Epworth |
| +1 563-879 | IA | 1110 | Bernard telephone co., inc. | Bernard |
| +1 563-880 | IA | 6266 | United states cellular corp. - iowa | Mcgregor |
| +1 563-883 | IA | 1404 | Harmony telephone co. | So harmony |
| +1 563-884 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-886 | IA | 1170 | Windstream iowa communications, inc. - systems | Tipton |
| +1 563-888 | IA | 9631 | Qwest corporation | Davenport |
| +1 563-889 | IA | 6529 | T-mobile usa, inc. | Tipton |
| +1 563-890 | IA | 4245 | F&b communications, inc. - ia | Bennett |
| +1 563-893 | IA | 1170 | Windstream iowa communications, inc. - systems | Bennett |
| +1 563-900 | IA | 965H | Fractel, llc | Davenport |
| +1 563-920 | IA | 6266 | United states cellular corp. - iowa | Manchester |
| +1 563-921 | IA | 1167 | Windstream iowa communications, inc. - north | New vienna |
| +1 563-922 | IA | 1167 | Windstream iowa communications, inc. - north | Delhi |
| +1 563-923 | IA | 1167 | Windstream iowa communications, inc. - north | Earlville |
| +1 563-924 | IA | 1167 | Windstream iowa communications, inc. - north | Lamont |
| +1 563-925 | IA | 1167 | Windstream iowa communications, inc. - north | Greeley |
| +1 563-926 | IA | 1167 | Windstream iowa communications, inc. - north | Hopkinton |
| +1 563-927 | IA | 1167 | Windstream iowa communications, inc. - north | Manchester |
| +1 563-928 | IA | 1167 | Windstream iowa communications, inc. - north | Edgewood |
| +1 563-929 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Manchester |
| +1 563-932 | IA | 1167 | Windstream iowa communications, inc. - north | Ryan |
| +1 563-933 | IA | 1167 | Windstream iowa communications, inc. - north | Strawbrypt |
| +1 563-934 | IA | 751F | Mcc telephony of iowa, llc - ia | Miles |
| +1 563-940 | IA | 6570 | Cellco partnership dba verizon wireless - ia | Davenport |
| +1 563-941 | IA | 4245 | F&b communications, inc. - ia | Lowden |
| +1 563-942 | IA | 4796 | Cedar communications, llc | Stanwood |
| +1 563-944 | IA | 1170 | Windstream iowa communications, inc. - systems | Lowden |
| +1 563-945 | IA | 1170 | Windstream iowa communications, inc. - systems | Stanwood |
| +1 563-946 | IA | 1170 | Windstream iowa communications, inc. - systems | Rochester |
| +1 563-949 | IA | 6266 | United states cellular corp. - iowa | Davenport |
| +1 563-964 | IA | 1106 | Alpine communications, l.c. | Garnavillo |
| +1 563-999 | IA | 4650 | Louisa communications, l.c. | Muscatine |