SUNCOM DBA T-MOBILE USA
24 prefixes in 423 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 423-213 | ELIZABTHTN | 8645 | 2001-11-07 | Yes |
| 423-291 | MOUNTAINCY | 8645 | 2001-08-31 | Yes |
| 423-292 | FALLBRANCH | 8645 | — | — |
| 423-340 | BRISTOL | 8645 | — | Yes |
| 423-383 | BRISTOL | 8645 | 2001-11-14 | — |
| 423-384 | FALLBRANCH | 8645 | 2001-11-14 | — |
| 423-388 | ERWIN | 8645 | 2002-03-22 | Yes |
| 423-518 | ELIZABTHTN | 8645 | 2012-05-24 | Yes |
| 423-557 | JOHNSON CY | 8645 | 2004-09-29 | Yes |
| 423-646 | BRISTOL | 8645 | — | Yes |
| 423-647 | BUTLER | 8645 | — | Yes |
| 423-676 | JOHNSON CY | 8645 | — | Yes |
| 423-677 | FALLBRANCH | 8645 | — | Yes |
| 423-773 | JOHNSON CY | 8645 | 2001-02-09 | — |
| 423-791 | JOHNSON CY | 8645 | — | Yes |
| 423-823 | GREENEVL | 8645 | — | Yes |
| 423-833 | JOHNSON CY | 8645 | — | Yes |
| 423-841 | MOUNTAINCY | 8645 | 2023-04-06 | Yes |
| 423-895 | ELIZABTHTN | 8645 | — | Yes |
| 423-943 | JOHNSON CY | 8645 | — | Yes |
| 423-946 | JOHNSON CY | 8645 | 2001-03-09 | Yes |
| 423-948 | LIMESTONE | 8645 | — | Yes |
| 423-957 | HAMPTON | 8645 | — | Yes |
| 423-972 | GREENEVL | 8645 | — | 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.