T-MOBILE USA, INC.
5 prefixes in 730 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 730-230 | ALTON | 6529 | 2023-12-15 | Yes |
| 730-231 | E ST LOUIS | 6529 | 2024-01-05 | Yes |
| 730-233 | MCCLURE | 6529 | 2024-01-10 | Yes |
| 730-235 | MURPHYSBO | 6529 | 2024-02-08 | Yes |
| 730-236 | TROY | 6529 | 2024-02-08 | 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.