T-MOBILE USA, INC.
37 prefixes in 575 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 575-231 | ARTESIA | 6529 | — | Yes |
| 575-240 | TAOS | 6529 | 2020-06-16 | Yes |
| 575-260 | RUIDOSODWN | 6529 | 2021-05-06 | Yes |
| 575-266 | CARLSBAD | 6529 | 2021-04-26 | Yes |
| 575-268 | CLOVIS | 6529 | 2010-01-06 | Yes |
| 575-271 | CLOVIS | 6529 | 2021-07-27 | Yes |
| 575-277 | LAS CRUCES | 6529 | 2021-08-03 | Yes |
| 575-284 | SILVERCITY | 6529 | 2021-09-01 | Yes |
| 575-285 | ALAMOGORDO | 6529 | 2021-10-26 | Yes |
| 575-295 | ALAMOGORDO | 6529 | 2022-02-28 | Yes |
| 575-302 | CARLSBAD | 6529 | 2001-03-16 | Yes |
| 575-308 | ARTESIA | 6529 | — | Yes |
| 575-312 | LAS CRUCES | 6529 | 2001-07-17 | 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 |
| 575-328 | SILVERCITY | 6529 | 2024-09-12 | Yes |
| 575-344 | CANNON AFB | 6529 | 2025-07-22 | Yes |
| 575-404 | ALAMOGORDO | 6529 | 2013-04-05 | Yes |
| 575-418 | SOCORRO | 6529 | 2003-06-03 | Yes |
| 575-442 | ALAMOGORDO | 6529 | — | Yes |
| 575-493 | LORDSBURG | 6529 | — | Yes |
| 575-495 | ALAMOGORDO | 6529 | — | Yes |
| 575-496 | LAS CRUCES | 6529 | — | Yes |
| 575-497 | TRUTHCQNCS | 6529 | 2004-11-19 | Yes |
| 575-517 | SOCORRO | 6529 | 2005-11-29 | Yes |
| 575-545 | DEMING | 6529 | 2003-11-25 | Yes |
| 575-571 | LAS CRUCES | 6529 | — | Yes |
| 575-602 | HOBBS | 6529 | 2004-11-12 | Yes |
| 575-621 | LAS CRUCES | 6529 | — | — |
| 575-650 | LAS CRUCES | 6529 | — | — |
| 575-689 | CARLSBAD | 6529 | 2011-05-23 | Yes |
| 575-693 | CLOVIS | 6529 | — | Yes |
| 575-704 | LOVINGTON | 6529 | 2001-10-12 | Yes |
| 575-777 | CLOVIS | 6529 | 2010-03-16 | Yes |
| 575-815 | TUCUMCARI | 6529 | 2003-06-23 | Yes |
| 575-993 | LAS CRUCES | 6529 | — | 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.