TELEPORT COMMUNICATIONS AMERICA, LLC - MI
37 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-206 | TEMPERANCE | 770E | — | Yes |
| 734-244 | MONROE | 770E | — | Yes |
| 734-256 | WILLIS | 770E | — | Yes |
| 734-257 | WHITMORELK | 770E | — | Yes |
| 734-258 | WYANDOTTE | 770E | — | Yes |
| 734-317 | ERIE | 770E | — | Yes |
| 734-335 | PLYMOUTH | 770E | — | Yes |
| 734-365 | TRENTON | 770E | — | Yes |
| 734-375 | GREGORY | 770E | — | Yes |
| 734-391 | BELLEVILLE | 770E | — | Yes |
| 734-392 | PLYMOUTH | 770E | — | Yes |
| 734-396 | MANCHESTER | 770E | — | Yes |
| 734-399 | MAYBEE | 770E | — | Yes |
| 734-506 | CARLETON | 770E | — | Yes |
| 734-508 | MILAN | 770E | — | Yes |
| 734-510 | ANN ARBOR | 770E | 2021-02-28 | Yes |
| 734-539 | ANN ARBOR | 770E | 2018-03-06 | Yes |
| 734-551 | NEW BOSTON | 770E | — | Yes |
| 734-593 | CHELSEA | 770E | — | Yes |
| 734-630 | ANN ARBOR | 770E | 2025-11-14 | Yes |
| 734-738 | PLYMOUTH | 770E | — | Yes |
| 734-757 | ANN ARBOR | 770E | — | Yes |
| 734-780 | ANN ARBOR | 770E | — | Yes |
| 734-781 | PLYMOUTH | 770E | — | Yes |
| 734-792 | DEXTER | 770E | — | Yes |
| 734-803 | ANN ARBOR | 770E | 2020-01-15 | Yes |
| 734-840 | ROMULUS | 770E | 2001-07-19 | Yes |
| 734-849 | LOSTPNNSUL | 770E | 2001-05-10 | Yes |
| 734-853 | LIVONIA | 770E | — | Yes |
| 734-855 | LIVONIA | 770E | — | Yes |
| 734-857 | ROMULUS | 770E | — | Yes |
| 734-858 | WAYNE | 770E | — | Yes |
| 734-879 | YPSILANTI | 770E | — | Yes |
| 734-887 | ANN ARBOR | 770E | — | Yes |
| 734-969 | ROCKWOOD | 770E | — | Yes |
| 734-970 | PINCKNEY | 770E | — | Yes |
| 734-984 | FLAT ROCK | 770E | — | 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.