T-MOBILE USA, INC.
9 prefixes in 369 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 369-208 | SANTA ROSA | 6529 | 2023-08-10 | Yes |
| 369-212 | FRFLD-SUIS | 6529 | 2023-10-10 | Yes |
| 369-213 | HEALDSBURG | 6529 | 2023-10-18 | Yes |
| 369-216 | UKIAH | 6529 | 2024-01-10 | Yes |
| 369-217 | VALLEJO | 6529 | 2024-01-19 | Yes |
| 369-218 | FRFLD-SUIS | 6529 | 2024-08-20 | Yes |
| 369-223 | BENICIA | 6529 | 2024-10-23 | Yes |
| 369-235 | BENICIA | 6529 | 2025-09-12 | Yes |
| 369-242 | MIDDLETOWN | 6529 | 2026-04-15 | 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.