MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI
52 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-205 | ANN ARBOR | 7279 | — | Yes |
| 734-264 | MONROE | 7279 | — | Yes |
| 734-265 | MONROE | 7279 | — | Yes |
| 734-286 | WYANDOTTE | 7279 | — | Yes |
| 734-288 | WYANDOTTE | 7279 | — | Yes |
| 734-293 | LIVONIA | 7279 | — | Yes |
| 734-304 | TRENTON | 7279 | 2014-06-25 | Yes |
| 734-329 | WAYNE | 7279 | — | Yes |
| 734-345 | BELLEVILLE | 7279 | — | Yes |
| 734-352 | ANN ARBOR | 7279 | — | Yes |
| 734-357 | PLYMOUTH | 7279 | — | Yes |
| 734-378 | DEXTER | 7279 | — | Yes |
| 734-413 | ROMULUS | 7279 | — | Yes |
| 734-419 | WAYNE | 7279 | — | Yes |
| 734-423 | WAYNE | 7279 | — | Yes |
| 734-445 | YPSILANTI | 7279 | — | Yes |
| 734-447 | WAYNE | 7279 | — | Yes |
| 734-448 | YPSILANTI | 7279 | — | Yes |
| 734-452 | LIVONIA | 7279 | — | Yes |
| 734-456 | PLYMOUTH | 7279 | — | Yes |
| 734-468 | PLYMOUTH | 7279 | — | — |
| 734-469 | LIVONIA | 7279 | — | Yes |
| 734-512 | TRENTON | 7279 | — | Yes |
| 734-518 | LIVONIA | 7279 | — | Yes |
| 734-521 | LIVONIA | 7279 | — | Yes |
| 734-530 | WYANDOTTE | 7279 | — | Yes |
| 734-531 | ANN ARBOR | 7279 | — | Yes |
| 734-535 | FLAT ROCK | 7279 | — | Yes |
| 734-543 | NEW BOSTON | 7279 | — | Yes |
| 734-585 | ANN ARBOR | 7279 | — | Yes |
| 734-621 | MONROE | 7279 | — | Yes |
| 734-627 | CHELSEA | 7279 | — | Yes |
| 734-628 | MILAN | 7279 | — | Yes |
| 734-629 | WAYNE | 7279 | — | Yes |
| 734-661 | ANN ARBOR | 7279 | — | Yes |
| 734-672 | TRENTON | 7279 | — | Yes |
| 734-685 | ROMULUS | 7279 | 2015-01-02 | Yes |
| 734-742 | LIVONIA | 7279 | — | Yes |
| 734-743 | LIVONIA | 7279 | — | Yes |
| 734-744 | LIVONIA | 7279 | — | Yes |
| 734-749 | ROCKWOOD | 7279 | 2001-01-29 | Yes |
| 734-758 | FLAT ROCK | 7279 | — | — |
| 734-784 | ROMULUS | 7279 | — | Yes |
| 734-823 | DUNDEE | 7279 | — | Yes |
| 734-839 | WHITMORELK | 7279 | — | Yes |
| 734-869 | CARLETON | 7279 | — | Yes |
| 734-917 | ERIE | 7279 | — | Yes |
| 734-922 | ANN ARBOR | 7279 | — | Yes |
| 734-928 | PLYMOUTH | 7279 | — | Yes |
| 734-939 | ROMULUS | 7279 | — | Yes |
| 734-985 | YPSILANTI | 7279 | — | Yes |
| 734-991 | WYANDOTTE | 7279 | — | 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.