T-MOBILE USA, INC.
28 prefixes in 304 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 304-200 | WILLIAMSTN | 6529 | — | Yes |
| 304-222 | BECKLEY | 6529 | — | Yes |
| 304-237 | BECKLEY | 6529 | — | Yes |
| 304-356 | CHRLSTNZN1 | 6529 | 2008-02-06 | Yes |
| 304-362 | BECKLEY | 6529 | 2011-11-21 | Yes |
| 304-395 | CHRLSTNZN1 | 6529 | 2001-04-16 | Yes |
| 304-412 | HNTNGTNZN1 | 6529 | — | Yes |
| 304-415 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-416 | HNTNGTNZN1 | 6529 | — | Yes |
| 304-417 | HNTNGTNZN1 | 6529 | — | Yes |
| 304-419 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-421 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-437 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-440 | RAVENSWOOD | 6529 | — | Yes |
| 304-444 | CHRLSTNZN1 | 6529 | 2001-09-20 | Yes |
| 304-512 | RAVENSWOOD | 6529 | 2001-06-12 | Yes |
| 304-610 | CHRLSTNZN1 | 6529 | — | Yes |
| 304-615 | PRKRSBGZN1 | 6529 | — | Yes |
| 304-617 | HNTNGTNZN1 | 6529 | — | Yes |
| 304-731 | BECKLEY | 6529 | 2001-06-12 | Yes |
| 304-741 | CHRLSTNZN1 | 6529 | 2001-06-12 | Yes |
| 304-751 | HNTNGTNZN1 | 6529 | 2001-06-12 | Yes |
| 304-812 | PTPLEASANT | 6529 | — | Yes |
| 304-834 | PRKRSBGZN1 | 6529 | 2001-06-12 | Yes |
| 304-910 | BLUEFIELD | 6529 | — | Yes |
| 304-922 | BLUEFIELD | 6529 | — | Yes |
| 304-952 | BLUEFIELD | 6529 | 2002-02-22 | Yes |
| 304-955 | HNTNGTNZN2 | 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.