FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS
16 prefixes in 214 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 214-222 | LEWISVILLE | 4344 | — | Yes |
| 214-227 | PLANO | 4344 | — | Yes |
| 214-262 | DALLAS | 0701 | — | — |
| 214-277 | IRVING | 4344 | — | Yes |
| 214-285 | LEWISVILLE | 4344 | — | — |
| 214-299 | PLANO | 4344 | — | Yes |
| 214-390 | CARROLLTON | 4344 | — | Yes |
| 214-427 | PLANO | 4344 | — | Yes |
| 214-483 | CARROLLTON | 4344 | — | Yes |
| 214-488 | LEWISVILLE | 4344 | — | — |
| 214-513 | LEWISVILLE | 4344 | — | Yes |
| 214-591 | IRVING | 4344 | — | — |
| 214-607 | PLANO | 4344 | — | Yes |
| 214-626 | LEWISVILLE | 4344 | — | — |
| 214-731 | CARROLLTON | 4344 | — | Yes |
| 214-785 | ALLEN | 0701 | 2008-10-22 | 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.