METROPCS, INC.
14 prefixes in 301 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 301-252 | GAITHERSBG | 5562 | — | Yes |
| 301-302 | HAGERSTOWN | 5562 | 2004-10-05 | Yes |
| 301-305 | FREDERICK | 5562 | — | Yes |
| 301-343 | WSHNGTNZN5 | 5562 | — | Yes |
| 301-366 | GAITHERSBG | 5562 | — | Yes |
| 301-370 | GAITHERSBG | 5562 | — | Yes |
| 301-399 | WALDORF | 5562 | — | Yes |
| 301-440 | WSHNGTNZN5 | 5562 | — | Yes |
| 301-462 | MYERSVILLE | 5562 | — | Yes |
| 301-536 | LEONARDTN | 5562 | — | Yes |
| 301-573 | HAGERSTOWN | 5562 | — | Yes |
| 301-732 | FREDERICK | 5562 | — | Yes |
| 301-748 | FREDERICK | 5562 | — | Yes |
| 301-992 | HAGERSTOWN | 5562 | — | 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.