All assignees
592 prefixes in 515 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 515-300 | DES MOINES | 9631 | 2016-09-01 | Yes |
| 515-301 | AMES | 732J | 2023-02-17 | Yes |
| 515-302 | FORT DODGE | 6529 | 2001-08-21 | Yes |
| 515-303 | INDIANOLA | 985E | 2011-07-22 | Yes |
| 515-304 | DES MOINES | 318J | 2023-03-07 | Yes |
| 515-305 | DES MOINES | 6529 | 2014-08-26 | Yes |
| 515-306 | DES MOINES | 6534 | 2002-02-07 | — |
| 515-307 | WILLIAMS | 751F | 2023-05-09 | Yes |
| 515-308 | FORT DODGE | 221F | 2023-06-26 | Yes |
| 515-309 | DES MOINES | 829J | — | — |
| 515-310 | JEWELL | 6570 | 2003-04-16 | Yes |
| 515-311 | XXXXXXXXXX | MULT | — | — |
| 515-312 | DES MOINES | 9631 | — | — |
| 515-313 | DES MOINES | 7421 | — | Yes |
| 515-314 | DES MOINES | 6570 | — | — |
| 515-315 | BLAIRSBURG | 624H | 2021-06-21 | Yes |
| 515-316 | GILMORE CY | 221F | 2019-08-27 | Yes |
| 515-317 | BOONE | 939H | 2023-09-13 | Yes |
| 515-318 | DES MOINES | 6529 | 2011-03-02 | Yes |
| 515-319 | DES MOINES | 9631 | — | — |
| 515-320 | ALGONA | 6570 | — | Yes |
| 515-321 | DES MOINES | 6570 | — | — |
| 515-322 | DES MOINES | 6570 | 2015-09-09 | Yes |
| 515-323 | DES MOINES | 9631 | — | — |
| 515-324 | DES MOINES | 9631 | 2004-09-23 | Yes |
| 515-325 | BLAIRSBURG | 9631 | — | Yes |
| 515-326 | DES MOINES | 9631 | 2005-09-28 | Yes |
| 515-327 | DES MOINES | 9631 | — | — |
| 515-328 | RANDALL | 1167 | — | Yes |
| 515-329 | POLK CITY | 985E | 2012-06-19 | Yes |
| 515-330 | DES MOINES | 751F | 2013-03-21 | Yes |
| 515-331 | DES MOINES | 9631 | — | — |
| 515-332 | HUMBOLDT | 9631 | — | Yes |
| 515-333 | DES MOINES | 6529 | 2006-04-26 | Yes |
| 515-334 | DES MOINES | 9631 | — | — |
| 515-335 | STORY CITY | 1167 | 2015-06-25 | Yes |
| 515-336 | DES MOINES | 6570 | 2015-12-08 | Yes |
| 515-337 | AMES | 9631 | 2009-05-07 | Yes |
| 515-338 | ELLSWORTH | 6570 | 2005-08-26 | Yes |
| 515-339 | DES MOINES | 6529 | 2006-07-28 | Yes |
| 515-340 | WINTERSET | 939H | 2023-09-13 | Yes |
| 515-341 | ALGONA | 6266 | — | Yes |
| 515-342 | DES MOINES | 9631 | 2009-11-25 | Yes |
| 515-343 | DES MOINES | 9631 | 2007-10-17 | Yes |
| 515-344 | DES MOINES | 6570 | 2009-08-28 | Yes |
| 515-345 | DES MOINES | 9631 | 2006-03-03 | Yes |
| 515-346 | DES MOINES | 7229 | 2013-12-26 | Yes |
| 515-347 | ADEL | 444G | 2024-02-12 | Yes |
| 515-348 | DES MOINES | 444G | — | Yes |
| 515-349 | DALLAS CTR | 221F | 2019-08-27 | Yes |
| 515-350 | DES MOINES | 6266 | 2016-05-23 | Yes |
| 515-351 | GOWRIE | 6570 | — | Yes |
| 515-352 | GOWRIE | 1328 | — | — |
| 515-353 | PILOTMOUND | 1328 | — | — |
| 515-354 | HARCOURT | 1225 | — | — |
| 515-355 | WILLIAMS | 965H | 2019-12-27 | Yes |
| 515-356 | VINCENT | 1328 | — | — |
| 515-357 | AMES | 6570 | 2013-03-13 | Yes |
| 515-358 | DES MOINES | 9631 | 2003-07-17 | Yes |
| 515-359 | LEHIGH | 1225 | — | — |
| 515-360 | DES MOINES | 6570 | — | — |
| 515-361 | ALGONA | 6570 | — | Yes |
| 515-362 | DES MOINES | 9631 | — | — |
| 515-363 | DES MOINES | 6570 | 2024-08-15 | Yes |
| 515-364 | GOLDFIELD | 6266 | 2017-09-05 | Yes |
| 515-365 | DES MOINES | 9631 | — | — |
| 515-366 | DEXTER | 516J | 2022-02-21 | Yes |
| 515-367 | ELKHART | 1167 | — | Yes |
| 515-368 | HUMBOLDT | 6266 | — | Yes |
| 515-369 | DES MOINES | 859D | 2001-08-10 | — |
| 515-370 | JEFFERSON | 6266 | — | Yes |
| 515-371 | DES MOINES | 6570 | — | — |
| 515-372 | BOONE | 6529 | — | — |
| 515-373 | GILMORE CY | 9631 | — | Yes |
| 515-374 | PLEASANTVL | 1178 | — | — |
| 515-375 | BRADGATE | 9631 | — | Yes |
| 515-376 | DES MOINES | 9631 | 2009-12-30 | Yes |
| 515-377 | EARLHAM | 985E | 2022-01-14 | Yes |
| 515-378 | THOR | 1328 | — | — |
| 515-379 | LIVERMORE | 9631 | — | Yes |
| 515-380 | DES MOINES | 508J | 2016-11-14 | Yes |
| 515-381 | DES MOINES | 9877 | — | Yes |
| 515-382 | NEVADA | 1167 | — | Yes |
| 515-383 | CAMBRIDGE | 1167 | — | Yes |
| 515-384 | WINTERSET | 985E | 2021-11-22 | Yes |
| 515-385 | CLARION | 6529 | 2018-03-06 | Yes |
| 515-386 | JEFFERSON | 1212 | — | — |
| 515-387 | MAXWELL | 1167 | — | Yes |
| 515-388 | ROLAND | 1167 | — | Yes |
| 515-389 | CHURDAN | 1328 | — | — |
| 515-390 | DES MOINES | 700J | 2025-07-29 | Yes |
| 515-391 | JEFFERSON | 6570 | — | Yes |
| 515-392 | PLEASANTVL | 1178 | — | — |
| 515-393 | DES MOINES | 6266 | 2012-11-02 | Yes |
| 515-394 | ADEL | 6534 | 2025-09-19 | Yes |
| 515-395 | ALGONA | 9900 | 2002-10-30 | Yes |
| 515-398 | DES MOINES | 9877 | 2015-07-15 | Yes |
| 515-400 | DES MOINES | 221F | 2017-09-25 | Yes |
| 515-401 | DES MOINES | 6570 | — | Yes |
| 515-402 | DES MOINES | 6266 | — | 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.