All assignees
535 prefixes in 575 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 575-300 | LA MESA | 5470 | 2008-10-20 | Yes |
| 575-301 | ARTESIA | 939H | 2023-08-08 | Yes |
| 575-302 | CARLSBAD | 6529 | 2001-03-16 | Yes |
| 575-303 | RATON | 123F | — | Yes |
| 575-304 | CHAPARRAL | 939H | 2023-08-08 | Yes |
| 575-305 | SNA TERESA | 206F | — | Yes |
| 575-306 | ROSWELL | 6010 | 2023-09-06 | Yes |
| 575-307 | CARLSBAD | 6534 | 2023-10-06 | Yes |
| 575-308 | ARTESIA | 6529 | — | Yes |
| 575-309 | CLOVIS | 6534 | 2004-08-11 | — |
| 575-310 | RUIDOSO | 206F | 2023-05-18 | Yes |
| 575-311 | MULT | — | — | |
| 575-312 | LAS CRUCES | 6529 | 2001-07-17 | Yes |
| 575-313 | SILVERCITY | 6573 | 2001-05-14 | Yes |
| 575-314 | ALAMOGORDO | 6573 | 2023-10-17 | Yes |
| 575-315 | RUIDOSO | 1193 | 2011-06-09 | Yes |
| 575-316 | TAOS | 6529 | 2024-01-23 | Yes |
| 575-317 | ROSWELL | 6529 | 2001-07-17 | Yes |
| 575-318 | HOBBS | 6529 | 2001-07-17 | Yes |
| 575-319 | LAS CRUCES | 6573 | 2024-02-12 | Yes |
| 575-320 | PORTALES | 377H | 2019-08-28 | Yes |
| 575-321 | CLOVIS | 6534 | 2024-03-07 | Yes |
| 575-322 | SOCORRO | 206F | 2007-03-13 | Yes |
| 575-323 | LAS CRUCES | 9658 | 2010-01-20 | Yes |
| 575-324 | ALAMOGORDO | 206F | 2024-03-21 | Yes |
| 575-325 | CANNON AFB | 777B | 2012-02-13 | — |
| 575-326 | ANTHONY | 206F | 2024-03-21 | Yes |
| 575-327 | CUBA | 516J | 2022-01-14 | Yes |
| 575-328 | SILVERCITY | 6529 | 2024-09-12 | Yes |
| 575-329 | CANNON AFB | 243H | 2014-02-04 | Yes |
| 575-330 | ARTESIA | 206F | 2009-07-14 | Yes |
| 575-331 | LAS CRUCES | 206F | 2024-11-08 | Yes |
| 575-332 | SNA TERESA | 793K | 2010-11-24 | Yes |
| 575-333 | LOVINGTON | 965H | 2020-06-02 | Yes |
| 575-334 | CHAPARRAL | 206F | 2021-03-24 | Yes |
| 575-336 | ALTO | 1193 | — | — |
| 575-337 | HOBBS | 1164 | — | — |
| 575-338 | LA MESA | 377H | 2019-08-28 | Yes |
| 575-339 | LAS CRUCES | 377H | 2015-10-15 | Yes |
| 575-340 | HOBBS | 6573 | 2025-03-11 | Yes |
| 575-341 | CARLSBAD | 6573 | 2025-03-11 | Yes |
| 575-342 | SILVERCITY | 206F | 2011-10-06 | Yes |
| 575-343 | HATCH | 6573 | 2010-10-06 | Yes |
| 575-344 | CANNON AFB | 6529 | 2025-07-22 | Yes |
| 575-345 | CANNON AFB | 965H | 2021-01-22 | Yes |
| 575-346 | CORONA | 965H | 2020-09-10 | Yes |
| 575-347 | ROSWELL | 9636 | — | Yes |
| 575-348 | ALAMOGORDO | 641H | 2025-09-05 | Yes |
| 575-349 | SOCORRO | 520K | 2025-11-14 | Yes |
| 575-350 | ROY | 5470 | 2026-04-23 | Yes |
| 575-352 | SPRINGER | 777B | 2012-01-12 | — |
| 575-353 | LAS CRUCES | 206F | 2009-07-14 | Yes |
| 575-354 | CAPITAN | 1193 | — | — |
| 575-355 | FORTSUMNER | 2262 | — | — |
| 575-356 | PORTALES | 9636 | — | — |
| 575-357 | GRADY | 2262 | — | — |
| 575-358 | VIRDEN | 2176 | — | — |
| 575-359 | PORTALES | 9636 | — | Yes |
| 575-361 | CARLSBAD | 6573 | 2013-08-10 | — |
| 575-363 | ROSWELL | 6010 | 2015-09-04 | Yes |
| 575-364 | COTTONWOOD | 2270 | — | — |
| 575-365 | COTTONWOOD | 2270 | — | — |
| 575-366 | CLOVIS | 243H | 2013-11-01 | Yes |
| 575-369 | HOBBS | 3798 | — | — |
| 575-370 | HOBBS | 3798 | — | — |
| 575-372 | WEBER CITY | 2262 | — | — |
| 575-373 | LAS CRUCES | 9636 | — | Yes |
| 575-374 | CLAYTON | 2262 | — | — |
| 575-375 | MAXWELL | 2259 | — | — |
| 575-376 | CIMARRON | 9636 | — | Yes |
| 575-377 | ANGEL FIRE | 9636 | — | Yes |
| 575-378 | RUIDOSODWN | 1193 | — | Yes |
| 575-382 | LAS CRUCES | 9636 | — | — |
| 575-383 | RATON | 206F | 2010-02-03 | Yes |
| 575-385 | CUBA | 1193 | 2015-05-15 | Yes |
| 575-386 | LAS CRUCES | 6534 | 2008-06-25 | Yes |
| 575-387 | MORA | 2263 | — | — |
| 575-388 | SILVERCITY | 9636 | — | — |
| 575-389 | PLEASANTHL | 2262 | — | — |
| 575-390 | HOBBS | 6534 | — | — |
| 575-391 | HOBBS | 1164 | — | — |
| 575-392 | HOBBS | 1164 | — | — |
| 575-393 | HOBBS | 1164 | — | — |
| 575-394 | EUNICE | 1164 | — | Yes |
| 575-395 | JAL | 1164 | — | Yes |
| 575-396 | LOVINGTON | 1164 | — | — |
| 575-397 | HOBBS | 1164 | — | — |
| 575-398 | TATUM | 2264 | — | — |
| 575-399 | HOBBS | 3798 | — | — |
| 575-400 | LINDRITH | 206F | 2018-05-08 | Yes |
| 575-403 | TUCUMCARI | 6534 | 2004-08-05 | — |
| 575-404 | ALAMOGORDO | 6529 | 2013-04-05 | Yes |
| 575-405 | LAS CRUCES | 6534 | 2005-08-03 | Yes |
| 575-406 | CANNON AFB | 450C | 2025-07-30 | Yes |
| 575-407 | CANNON AFB | 450C | 2025-07-30 | Yes |
| 575-408 | HOBBS | 6534 | 2008-04-22 | Yes |
| 575-409 | CANNON AFB | 450C | 2025-07-30 | Yes |
| 575-410 | CANNON AFB | 450C | 2025-07-30 | Yes |
| 575-411 | MULT | — | — | |
| 575-412 | CANNON AFB | 450C | 2025-07-30 | 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.