T-MOBILE USA, INC.
33 prefixes in 737 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 737-206 | BASTROP | 6529 | 2015-11-24 | Yes |
| 737-217 | AUSTIN | 6529 | 2017-03-29 | Yes |
| 737-221 | SAN MARCOS | 6529 | 2017-07-20 | Yes |
| 737-232 | ELGIN | 6529 | 2017-12-22 | Yes |
| 737-274 | BASTROP | 6529 | 2020-08-27 | Yes |
| 737-287 | LEANDER | 6529 | 2021-04-29 | Yes |
| 737-293 | BASTROP | 6529 | 2021-08-20 | Yes |
| 737-294 | BASTROP | 6529 | 2021-08-20 | Yes |
| 737-296 | AUSTIN | 6529 | 2021-08-24 | Yes |
| 737-297 | AUSTIN | 6529 | 2021-08-25 | Yes |
| 737-298 | LEANDER | 6529 | 2021-09-09 | Yes |
| 737-318 | BASTROP | 6529 | 2022-02-02 | Yes |
| 737-321 | ELGIN | 6529 | 2022-03-01 | Yes |
| 737-323 | LEANDER | 6529 | 2022-05-27 | Yes |
| 737-324 | LEANDER | 6529 | 2022-05-27 | Yes |
| 737-326 | AUSTIN | 6529 | 2022-06-28 | Yes |
| 737-328 | AUSTIN | 6529 | 2022-06-28 | Yes |
| 737-335 | SAN MARCOS | 6529 | 2022-09-27 | Yes |
| 737-340 | GEORGETOWN | 6529 | 2022-10-03 | Yes |
| 737-341 | AUSTIN | 6529 | 2022-10-06 | Yes |
| 737-342 | AUSTIN | 6529 | 2022-10-06 | Yes |
| 737-363 | AUSTIN | 6529 | 2023-11-07 | Yes |
| 737-398 | AUSTIN | 6529 | 2024-10-02 | Yes |
| 737-399 | AUSTIN | 6529 | 2024-10-14 | Yes |
| 737-405 | KYLE | 6529 | 2024-12-03 | Yes |
| 737-413 | SMITHVILLE | 6529 | 2025-02-10 | Yes |
| 737-414 | BUDA | 6529 | 2016-11-02 | Yes |
| 737-421 | ROCKDALE | 6529 | 2025-06-06 | Yes |
| 737-424 | BASTROP | 6529 | 2025-07-21 | Yes |
| 737-426 | BASTROP | 6529 | 2025-10-01 | Yes |
| 737-440 | AUSTIN | 6529 | 2026-06-16 | Yes |
| 737-455 | AUSTIN | 6529 | 2026-06-16 | Yes |
| 737-618 | LAMPASAS | 6529 | 2015-11-24 | 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.