T-MOBILE USA, INC.
35 prefixes in 903 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 903-215 | LONGVIEW | 6529 | 2001-05-08 | Yes |
| 903-220 | LONGVIEW | 6529 | — | Yes |
| 903-240 | LONGVIEW | 6529 | — | Yes |
| 903-272 | PARIS | 6529 | — | Yes |
| 903-275 | ATHENS | 6529 | — | Yes |
| 903-288 | ATHENS | 6529 | — | Yes |
| 903-319 | HOOKS | 6529 | 2001-01-05 | Yes |
| 903-332 | PARIS | 6529 | 2001-01-25 | Yes |
| 903-336 | TEXARKANA | 6529 | 2009-08-18 | Yes |
| 903-352 | TYLER | 6529 | — | Yes |
| 903-355 | GREENVILLE | 6529 | — | Yes |
| 903-357 | SHERMAN | 6529 | — | Yes |
| 903-370 | WASKOM | 6529 | 2002-10-30 | Yes |
| 903-376 | MINEOLA | 6529 | — | Yes |
| 903-422 | GREENVILLE | 6529 | — | Yes |
| 903-423 | GREENVILLE | 6529 | — | Yes |
| 903-426 | TYLER | 6529 | 2014-11-11 | Yes |
| 903-466 | MT VERNON | 6529 | — | Yes |
| 903-491 | DETROIT | 6529 | 2001-01-23 | Yes |
| 903-503 | MARSHALL | 6529 | 2001-06-15 | Yes |
| 903-508 | TYLER | 6529 | — | Yes |
| 903-517 | PARIS | 6529 | 2001-01-18 | Yes |
| 903-557 | LONGVIEW | 6529 | — | Yes |
| 903-618 | OWENTOWN | 6529 | — | Yes |
| 903-635 | LONGVIEW | 6529 | — | Yes |
| 903-651 | WHITESBORO | 6529 | — | Yes |
| 903-691 | TEXARKANA | 6529 | — | Yes |
| 903-742 | MARSHALL | 6529 | — | Yes |
| 903-744 | SHERMAN | 6529 | — | Yes |
| 903-749 | TYLER | 6529 | — | Yes |
| 903-787 | TYLER | 6529 | 2010-05-11 | Yes |
| 903-819 | SHERMAN | 6529 | — | Yes |
| 903-830 | TYLER | 6529 | 2001-06-15 | Yes |
| 903-851 | CORSICANA | 6529 | — | Yes |
| 903-933 | DEKALB | 6529 | 2002-11-07 | 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.