All assignees
592 prefixes in 515 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 515-543 | DUNCOMBE | 1328 | — | — |
| 515-544 | FARNHAMVL | 1328 | — | — |
| 515-545 | BADGER | 1328 | — | — |
| 515-546 | CLARE | 1328 | — | Yes |
| 515-547 | DAYTON | 1225 | — | — |
| 515-548 | CALLENDER | 1225 | — | — |
| 515-549 | MOORLAND | 1328 | — | Yes |
| 515-550 | BRADGATE | 221F | 2021-06-21 | Yes |
| 515-551 | CLARION | 624H | 2021-06-21 | Yes |
| 515-552 | INDIANOLA | 6266 | 2016-08-12 | Yes |
| 515-553 | DES MOINES | 6534 | 2019-08-08 | Yes |
| 515-554 | DES MOINES | 6529 | — | Yes |
| 515-555 | DIR ASST | MULT | — | — |
| 515-556 | DES MOINES | 6529 | — | Yes |
| 515-557 | DES MOINES | 9631 | — | Yes |
| 515-558 | DES MOINES | 9631 | — | — |
| 515-559 | DES MOINES | 7421 | — | Yes |
| 515-561 | DES MOINES | 221F | 2023-10-18 | Yes |
| 515-564 | DES MOINES | 9631 | — | Yes |
| 515-565 | LIVERMORE | 221F | 2021-02-16 | Yes |
| 515-567 | AMES | 6529 | 2021-09-29 | Yes |
| 515-570 | FORT DODGE | 6570 | — | — |
| 515-571 | FORT DODGE | 6266 | — | Yes |
| 515-572 | AMES | 9631 | — | — |
| 515-573 | FORT DODGE | 1127 | — | Yes |
| 515-574 | FORT DODGE | 1127 | — | Yes |
| 515-575 | ALGONA | 221F | 2005-11-15 | Yes |
| 515-576 | FORT DODGE | 1127 | — | Yes |
| 515-577 | DES MOINES | 6266 | — | Yes |
| 515-578 | LAKOTA | 6570 | — | Yes |
| 515-579 | SLATER | 1167 | 2018-01-31 | Yes |
| 515-581 | ADEL | 6266 | 2021-12-08 | Yes |
| 515-582 | MADRID | 1170 | 2016-07-27 | Yes |
| 515-583 | CORWITH | 1262 | — | — |
| 515-585 | VAN METER | 985E | 2015-04-23 | Yes |
| 515-587 | DES MOINES | 6570 | 2018-05-30 | Yes |
| 515-588 | EAGLEGROVE | 5562 | 2021-12-14 | Yes |
| 515-589 | WOODWARD | 751F | 2010-03-08 | Yes |
| 515-597 | HUXLEY | 1205 | — | Yes |
| 515-598 | AMES | 9631 | — | Yes |
| 515-599 | GRANGER | 985E | 2011-05-10 | Yes |
| 515-600 | LUVERNE | 965H | 2019-12-27 | Yes |
| 515-601 | DES MOINES | 6570 | 2016-08-17 | Yes |
| 515-602 | CLARION | 842E | — | Yes |
| 515-603 | EAGLEGROVE | 842E | — | Yes |
| 515-604 | HUMBOLDT | 842E | — | Yes |
| 515-605 | RENWICK | 842E | — | Yes |
| 515-606 | WEBSTER CY | 842E | — | Yes |
| 515-608 | DES MOINES | 551G | 2012-11-05 | Yes |
| 515-609 | CORWITH | 860F | 2011-04-15 | Yes |
| 515-611 | XXXXXXXXXX | MULT | — | — |
| 515-612 | DES MOINES | 6529 | 2010-12-08 | Yes |
| 515-619 | DES MOINES | 9877 | 2010-12-08 | Yes |
| 515-620 | AMES | 6570 | 2017-11-08 | Yes |
| 515-622 | GILMORE CY | 516J | 2022-02-22 | Yes |
| 515-626 | BOONE | 516J | 2022-03-04 | Yes |
| 515-627 | STANHOPE | 6534 | 2022-02-22 | — |
| 515-630 | DES MOINES | 751F | 2018-03-09 | Yes |
| 515-631 | DES MOINES | 9631 | 2013-01-23 | Yes |
| 515-633 | DES MOINES | 9631 | — | Yes |
| 515-635 | DES MOINES | 8344 | 2009-06-03 | Yes |
| 515-639 | DES MOINES | 985E | 2011-05-26 | Yes |
| 515-641 | DES MOINES | 9631 | 2001-02-14 | — |
| 515-642 | PERRY | 143H | 2013-07-17 | Yes |
| 515-643 | DES MOINES | 9631 | — | — |
| 515-644 | DES MOINES | 073H | 2019-11-21 | Yes |
| 515-645 | DES MOINES | 9631 | — | Yes |
| 515-646 | LEDYARD | 1167 | — | Yes |
| 515-650 | DES MOINES | 6570 | — | Yes |
| 515-653 | BURT | 751F | 2010-03-10 | Yes |
| 515-654 | WEBSTER CY | 5562 | 2018-06-20 | Yes |
| 515-655 | DES MOINES | 145J | 2021-04-29 | Yes |
| 515-657 | DES MOINES | 6529 | 2008-12-15 | Yes |
| 515-659 | HUXLEY | 5562 | 2022-11-07 | Yes |
| 515-661 | DES MOINES | 829J | 2008-09-04 | Yes |
| 515-663 | AMES | 9631 | — | — |
| 515-664 | DES MOINES | 6534 | 2006-04-26 | Yes |
| 515-666 | DES MOINES | 965H | 2019-12-27 | Yes |
| 515-667 | GOWRIE | 965H | 2021-01-21 | Yes |
| 515-668 | PLEASANTVL | 1178 | — | — |
| 515-669 | DES MOINES | 6266 | — | Yes |
| 515-671 | DES MOINES | 515J | 2021-04-01 | Yes |
| 515-672 | DES MOINES | 6529 | 2023-12-05 | Yes |
| 515-674 | COLFAX | 9631 | — | Yes |
| 515-675 | DES MOINES | 6534 | 2024-03-18 | Yes |
| 515-676 | BOUTON | 1170 | — | Yes |
| 515-677 | MINBURN | 1245 | — | — |
| 515-678 | ALDEN | 624H | 2024-05-01 | Yes |
| 515-679 | WESLEY | 9631 | — | Yes |
| 515-681 | DES MOINES | 6266 | — | Yes |
| 515-682 | DES MOINES | 221F | 2024-05-15 | Yes |
| 515-685 | SLATER | 1167 | — | Yes |
| 515-686 | AMES | 6570 | 2015-10-09 | Yes |
| 515-687 | PLEASANTVL | 1178 | — | — |
| 515-688 | PLEASANTVL | 1178 | — | — |
| 515-689 | DES MOINES | 6266 | — | Yes |
| 515-690 | INDIANOLA | 695G | 2018-08-28 | Yes |
| 515-691 | NEVADA | 6529 | 2024-08-13 | Yes |
| 515-694 | AMES | 6529 | 2024-09-10 | Yes |
| 515-695 | DES MOINES | 9631 | — | 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.