T-MOBILE USA, INC.
35 prefixes in 636 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 636-213 | WARRENTON | 6529 | 2022-01-11 | Yes |
| 636-214 | CHESTERFLD | 6529 | 2022-01-11 | Yes |
| 636-219 | ST CHARLES | 6529 | 2001-02-02 | — |
| 636-236 | CHESTERFLD | 6529 | 2001-05-10 | Yes |
| 636-252 | CHESTERFLD | 6529 | 2021-06-29 | Yes |
| 636-253 | HIGH RIDGE | 6529 | 2001-05-07 | Yes |
| 636-259 | GRAYSUMMIT | 6529 | 2001-05-07 | Yes |
| 636-262 | CHESTERFLD | 6529 | — | Yes |
| 636-290 | TROY | 6529 | 2002-08-09 | Yes |
| 636-293 | OFALLON | 6529 | 2002-08-09 | Yes |
| 636-299 | CHESTERFLD | 6529 | — | Yes |
| 636-313 | MANCHESTER | 6529 | 2026-04-02 | Yes |
| 636-318 | TROY | 6529 | — | Yes |
| 636-331 | FSSCRSTLCY | 6529 | 2017-08-09 | Yes |
| 636-339 | OFALLON | 6529 | 2020-08-25 | Yes |
| 636-341 | FSSCRSTLCY | 6529 | 2021-04-28 | Yes |
| 636-346 | CHESTERFLD | 6529 | — | Yes |
| 636-367 | TROY | 6529 | 2023-03-08 | Yes |
| 636-368 | CHESTERFLD | 6529 | 2001-07-05 | Yes |
| 636-373 | ST CHARLES | 6529 | — | Yes |
| 636-378 | ST PETERS | 6529 | 2023-07-28 | Yes |
| 636-426 | PORTAGSIUX | 6529 | 2001-05-10 | Yes |
| 636-430 | FORISTELL | 6529 | 2025-05-05 | Yes |
| 636-497 | WENTZVILLE | 6529 | — | Yes |
| 636-538 | WENTZVILLE | 6529 | — | Yes |
| 636-578 | ST CHARLES | 6529 | 2001-02-02 | Yes |
| 636-579 | CHESTERFLD | 6529 | 2001-01-26 | Yes |
| 636-633 | IMPERIAL | 6529 | 2001-05-07 | Yes |
| 636-667 | WASHINGTON | 6529 | 2002-01-16 | Yes |
| 636-675 | CHESTERFLD | 6529 | 2001-01-18 | Yes |
| 636-679 | WENTZVILLE | 6529 | — | Yes |
| 636-734 | ST CHARLES | 6529 | — | Yes |
| 636-829 | HIGH RIDGE | 6529 | 2019-02-06 | Yes |
| 636-841 | WENTZVILLE | 6529 | — | Yes |
| 636-849 | OFALLON | 6529 | 2017-04-06 | 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.