All assignees
592 prefixes in 515 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 515-403 | AMES | 6529 | 2025-12-05 | Yes |
| 515-405 | RENWICK | 321J | 2019-11-26 | Yes |
| 515-408 | FORT DODGE | 6266 | — | Yes |
| 515-410 | DES MOINES | 7229 | 2018-01-25 | Yes |
| 515-411 | XXXXXXXXXX | MULT | — | — |
| 515-412 | DES MOINES | 751F | 2010-03-08 | Yes |
| 515-414 | DES MOINES | 221F | 2014-03-07 | Yes |
| 515-415 | DES MOINES | 939H | 2022-09-16 | Yes |
| 515-416 | DES MOINES | 722G | 2019-11-20 | Yes |
| 515-417 | FORT DODGE | 6570 | 2019-06-06 | Yes |
| 515-418 | DES MOINES | 7229 | 2004-07-14 | Yes |
| 515-419 | DES MOINES | 6529 | — | Yes |
| 515-420 | POLK CITY | 9631 | 2014-05-28 | Yes |
| 515-421 | DES MOINES | 938D | 2010-12-08 | Yes |
| 515-422 | DES MOINES | 6534 | 2006-08-31 | Yes |
| 515-423 | DES MOINES | 985E | 2008-05-28 | Yes |
| 515-425 | AMES | 221F | 2023-02-22 | Yes |
| 515-426 | DE SOTO | 516J | 2022-02-21 | Yes |
| 515-428 | DAWSON | 9631 | — | Yes |
| 515-432 | BOONE | 9631 | — | — |
| 515-433 | BOONE | 9631 | — | Yes |
| 515-434 | MCCALLSBG | 1167 | — | Yes |
| 515-435 | ROLAND | 221F | 2021-04-13 | Yes |
| 515-436 | RIPPEY | 1167 | — | Yes |
| 515-438 | WOODWARD | 1158 | — | Yes |
| 515-440 | DES MOINES | 9631 | — | — |
| 515-441 | AMES | 6529 | — | Yes |
| 515-442 | INDIANOLA | 985E | 2006-10-20 | Yes |
| 515-443 | DES MOINES | 6570 | 2013-09-20 | Yes |
| 515-444 | DES MOINES | 221F | 2015-03-23 | Yes |
| 515-445 | HUXLEY | 751F | 2010-03-08 | Yes |
| 515-446 | DES MOINES | 9631 | 2012-08-03 | Yes |
| 515-447 | DES MOINES | 6529 | 2006-11-01 | Yes |
| 515-448 | EAGLEGROVE | 9631 | — | Yes |
| 515-450 | AMES | 6570 | — | Yes |
| 515-451 | AMES | 6529 | — | Yes |
| 515-452 | DES MOINES | 508J | 2018-12-27 | Yes |
| 515-453 | DES MOINES | 9631 | — | — |
| 515-454 | STUART | 985E | 2014-05-29 | Yes |
| 515-455 | PLEASANTVL | 1178 | — | — |
| 515-456 | BANCROFT | 751F | 2006-10-23 | Yes |
| 515-457 | DES MOINES | 9631 | — | — |
| 515-460 | AMES | 6266 | — | Yes |
| 515-461 | DES MOINES | 9877 | 2019-08-08 | Yes |
| 515-462 | WINTERSET | 9631 | — | Yes |
| 515-463 | KNIERIM | 1328 | — | — |
| 515-464 | MCCALLSBG | 516J | 2022-03-14 | Yes |
| 515-465 | PERRY | 9631 | — | Yes |
| 515-466 | WHITTEMORE | 221F | 2019-08-29 | Yes |
| 515-467 | SOMERS | 1328 | — | — |
| 515-468 | WINTERSET | 6570 | — | Yes |
| 515-471 | DES MOINES | 9631 | — | — |
| 515-473 | DES MOINES | 829J | 2004-10-13 | Yes |
| 515-474 | WINTERSET | 6534 | 2018-08-20 | Yes |
| 515-477 | SWEA CITY | 751F | 2006-06-29 | Yes |
| 515-478 | ADEL | 6266 | 2008-11-14 | Yes |
| 515-480 | DES MOINES | 6570 | — | — |
| 515-481 | PLEASANTVL | 751F | — | Yes |
| 515-488 | DES MOINES | 114J | 2026-03-31 | Yes |
| 515-489 | JEWELL | 985E | 2019-04-30 | Yes |
| 515-490 | DES MOINES | 6570 | — | — |
| 515-491 | DES MOINES | 6570 | — | — |
| 515-493 | WINTERSET | 751F | 2010-03-08 | Yes |
| 515-494 | DES MOINES | 6534 | 2007-04-18 | Yes |
| 515-495 | PRAIRIE CY | 221F | 2019-08-28 | Yes |
| 515-497 | PRAIRIE CY | 751F | 2010-03-08 | Yes |
| 515-498 | LIVERMORE | 221F | 2019-08-28 | Yes |
| 515-499 | DES MOINES | 6570 | 2015-11-12 | Yes |
| 515-500 | BOONE | 544H | 2017-03-08 | Yes |
| 515-501 | MAXWELL | 221F | 2019-11-05 | Yes |
| 515-505 | DES MOINES | 6570 | 2011-08-16 | Yes |
| 515-506 | ADEL | 6266 | 2020-04-21 | Yes |
| 515-508 | DES MOINES | 6570 | — | Yes |
| 515-509 | AMES | 6570 | — | Yes |
| 515-511 | XXXXXXXXXX | MULT | — | — |
| 515-512 | DES MOINES | 6266 | 2013-07-24 | Yes |
| 515-513 | DES MOINES | 425J | 2020-07-13 | Yes |
| 515-514 | DES MOINES | 423H | 2019-10-30 | Yes |
| 515-515 | FORT DODGE | 221F | 2022-09-30 | Yes |
| 515-516 | BLAIRSBURG | 985E | 2019-05-13 | Yes |
| 515-517 | EARLHAM | 985E | 2015-06-09 | Yes |
| 515-518 | DES MOINES | 9631 | 2012-11-29 | Yes |
| 515-519 | RUNNELLS | 751F | 2010-03-08 | Yes |
| 515-520 | AMES | 6570 | — | Yes |
| 515-522 | ALGONA | 5562 | 2021-12-14 | Yes |
| 515-523 | STUART | 9631 | — | Yes |
| 515-524 | WEBSTER CY | 904D | 2021-09-28 | Yes |
| 515-525 | DES MOINES | 6529 | 2011-03-22 | Yes |
| 515-526 | REDFIELD | 1167 | 2015-04-23 | Yes |
| 515-528 | DES MOINES | 751F | 2010-02-16 | Yes |
| 515-529 | COLFAX | 965H | 2019-12-27 | Yes |
| 515-531 | GRANGER | 508J | 2017-03-29 | Yes |
| 515-532 | CLARION | 9631 | — | Yes |
| 515-534 | STUART | 985E | 2020-12-31 | Yes |
| 515-535 | DES MOINES | 9631 | 2010-04-26 | Yes |
| 515-536 | KAMRAR | 8858 | — | — |
| 515-537 | DES MOINES | 6570 | — | Yes |
| 515-538 | LAKOTA | 6570 | — | Yes |
| 515-539 | KAMRAR | 1303 | — | — |
| 515-542 | BARNUM | 1328 | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.