All assignees
485 prefixes in 308 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 308-300 | NO JULESBG | 549E | 2019-05-30 | Yes |
| 308-301 | CEDAR RPDS | 3233 | 2019-09-13 | Yes |
| 308-302 | TRYON | 3233 | 2020-05-06 | Yes |
| 308-303 | CAIRO | 549E | 2019-11-19 | Yes |
| 308-304 | MINDEN | 6263 | 2020-04-06 | Yes |
| 308-305 | PAXTON | 3233 | 2019-09-26 | Yes |
| 308-306 | WALLACE | 3233 | 2019-09-26 | Yes |
| 308-307 | — | — | ||
| 308-308 | — | — | ||
| 308-309 | LITCHFIELD | 792K | 2020-06-16 | Yes |
| 308-310 | SCOTSBLUFF | 549E | 2020-12-24 | Yes |
| 308-311 | XXXXXXXXXX | MULT | — | — |
| 308-312 | GIBBON | 792K | 2020-06-16 | Yes |
| 308-313 | ALLIANCE | 9764 | 2010-02-23 | Yes |
| 308-314 | GRAND IS | 995E | 2021-02-03 | Yes |
| 308-315 | GRAND IS | 515J | 2024-04-17 | Yes |
| 308-316 | POTTER | 6534 | 2020-10-08 | Yes |
| 308-317 | BROADWATER | 6534 | 2021-02-28 | Yes |
| 308-318 | GRAND IS | 551G | 2013-03-04 | Yes |
| 308-319 | SO ARDMORE | 6534 | 2020-10-08 | Yes |
| 308-320 | LEXINGTON | 6263 | — | Yes |
| 308-321 | GRAND IS | 6701 | 2019-07-11 | Yes |
| 308-322 | LEMOYNE | 6534 | 2024-05-07 | Yes |
| 308-323 | RAVENNA | 792K | 2020-06-16 | Yes |
| 308-324 | LEXINGTON | 9631 | — | — |
| 308-325 | LEXINGTON | 5807 | — | — |
| 308-326 | MADRID | 1530 | — | — |
| 308-327 | RUSHVILLE | 1577 | — | — |
| 308-328 | HAIGLER | 6534 | 2022-09-23 | Yes |
| 308-329 | GRAND IS | 700J | 2025-07-11 | Yes |
| 308-330 | NO PLATTE | 5807 | 2020-08-25 | Yes |
| 308-331 | FULLERTON | 5807 | 2024-09-11 | Yes |
| 308-332 | ARCHER | 3233 | 2024-10-02 | Yes |
| 308-333 | GOTHENBURG | 6534 | 2025-03-06 | Yes |
| 308-334 | TRENTON | 1577 | — | — |
| 308-335 | NORTHPEETZ | 2196 | — | — |
| 308-336 | FARWELL | 9631 | — | Yes |
| 308-337 | ATLANTA | 9631 | — | Yes |
| 308-338 | KEARNEY | 1128 | — | — |
| 308-339 | GRAND IS | 5807 | 2011-02-14 | Yes |
| 308-340 | MCCOOK | 5807 | — | — |
| 308-341 | BURWELL | 6534 | 2020-10-15 | Yes |
| 308-342 | WHITECLAY | 6534 | 2020-10-08 | Yes |
| 308-343 | GRAND IS | 478H | 2025-03-19 | Yes |
| 308-344 | MCCOOK | 2309 | 2002-01-23 | — |
| 308-345 | MCCOOK | 9631 | — | Yes |
| 308-346 | BURWELL | 1574 | — | — |
| 308-347 | DALTON | 6534 | 2022-08-19 | Yes |
| 308-348 | NO BURWELL | 1574 | — | — |
| 308-349 | WILSONVL | 1128 | — | — |
| 308-350 | MCCOOK | 6263 | — | Yes |
| 308-351 | GOTHENBURG | 6263 | 2020-12-18 | Yes |
| 308-352 | GRANT | 1577 | — | Yes |
| 308-353 | GRANT | 6874 | 2005-11-08 | Yes |
| 308-354 | LEWELLEN | 549E | 2021-03-12 | Yes |
| 308-355 | LEMOYNE | 1567 | — | — |
| 308-356 | BARTLETT | 6534 | 2021-06-16 | Yes |
| 308-357 | BELGRADE | 1577 | — | — |
| 308-358 | CEDAR RPDS | 1577 | — | — |
| 308-359 | BEAVERCITY | 6534 | 2020-10-15 | Yes |
| 308-360 | GORDON | 5807 | — | Yes |
| 308-361 | EDISON | 6534 | 2020-10-15 | Yes |
| 308-362 | MAYWOOD | 1530 | — | Yes |
| 308-363 | WAUNETA | 6534 | 2022-09-23 | Yes |
| 308-364 | INDIANOLA | 1577 | — | — |
| 308-365 | NO JULESBG | 995E | 2015-01-09 | Yes |
| 308-366 | CURTIS | 1536 | — | — |
| 308-367 | CURTIS | 1536 | — | Yes |
| 308-368 | HERSHEY | 1561 | — | — |
| 308-370 | GRAND IS | 6874 | — | — |
| 308-371 | KEARNEY | 549E | 2021-01-08 | Yes |
| 308-372 | ROCKVILLE | 1574 | — | — |
| 308-373 | SUMNER | 6534 | 2020-10-19 | Yes |
| 308-374 | NO PLATTE | 549E | 2025-11-05 | Yes |
| 308-375 | LEBANON | 1557 | — | — |
| 308-376 | OSHKOSH | 6534 | 2021-02-28 | Yes |
| 308-377 | DALTON | 1537 | — | — |
| 308-378 | LEXINGTON | 624H | 2021-02-03 | Yes |
| 308-379 | GRAND IS | 5807 | — | — |
| 308-380 | GRAND IS | 5807 | — | — |
| 308-381 | GRAND IS | 9631 | — | — |
| 308-382 | GRAND IS | 9631 | — | — |
| 308-383 | GRAND IS | 6263 | — | Yes |
| 308-384 | GRAND IS | 9631 | — | — |
| 308-385 | GRAND IS | 9631 | — | Yes |
| 308-386 | SUTHERLAND | 1577 | — | Yes |
| 308-387 | WALLACE | 1530 | — | Yes |
| 308-388 | PLEASANTON | 1128 | — | Yes |
| 308-389 | GRAND IS | 9631 | — | Yes |
| 308-390 | GRAND IS | 5807 | — | — |
| 308-391 | GRAND IS | 6263 | — | Yes |
| 308-392 | GRAND IS | 7229 | 2004-06-01 | Yes |
| 308-393 | ASHTON | 792K | 2025-05-23 | Yes |
| 308-394 | WAUNETA | 1597 | — | — |
| 308-395 | GRAND IS | 9631 | — | Yes |
| 308-396 | PRIMROSE | 1577 | — | — |
| 308-397 | WAUNETA | 1597 | — | — |
| 308-398 | GRAND IS | 7816 | — | — |
| 308-399 | HAYES CTR | 3233 | 2026-04-22 | Yes |
| 308-400 | ORD | 6534 | 2020-10-15 | 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.