MCIMETRO ACCESS TRANSMISSION SERVICES LLC
32 prefixes in 214 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 214-209 | DALLAS | 7229 | — | — |
| 214-210 | DALLAS | 7229 | — | — |
| 214-231 | DALLAS | 7229 | — | — |
| 214-237 | DALLAS | 7229 | — | — |
| 214-245 | DALLAS | 7229 | — | Yes |
| 214-260 | IRVING | 7229 | — | Yes |
| 214-261 | DALLAS | 7229 | — | — |
| 214-273 | DALLAS | 7229 | — | — |
| 214-279 | DALLAS | 7229 | 2004-03-30 | Yes |
| 214-283 | DALLAS | 7229 | — | Yes |
| 214-291 | PLANO | 7229 | — | Yes |
| 214-292 | DALLAS | 7229 | — | — |
| 214-347 | DALLAS | 7229 | — | Yes |
| 214-414 | DALLAS | 7229 | — | Yes |
| 214-416 | DALLAS | 7229 | — | Yes |
| 214-438 | DALLAS | 7229 | — | Yes |
| 214-461 | DALLAS | 7229 | — | — |
| 214-481 | DALLAS | 7229 | 2004-04-07 | Yes |
| 214-530 | DALLAS | 7229 | — | Yes |
| 214-540 | DALLAS | 7229 | — | — |
| 214-556 | PLANO | 7229 | — | Yes |
| 214-560 | DALLAS | 7229 | — | Yes |
| 214-561 | DALLAS | 7229 | — | — |
| 214-572 | DALLAS | 7229 | — | Yes |
| 214-624 | DALLAS | 7229 | — | Yes |
| 214-722 | DALLAS | 7229 | — | — |
| 214-775 | DALLAS | 7229 | — | — |
| 214-889 | DALLAS | 7229 | — | Yes |
| 214-932 | DALLAS | 7229 | — | — |
| 214-937 | FRISCO | 7229 | 2010-04-01 | Yes |
| 214-975 | FRISCO | 7229 | 2001-09-14 | Yes |
| 214-988 | GRANDPRARI | 7229 | 2001-09-14 | 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.