MICHIGAN BELL TEL CO
161 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-207 | PLYMOUTH | 9323 | — | — |
| 734-213 | ANN ARBOR | 9323 | — | — |
| 734-214 | ANN ARBOR | 9323 | — | — |
| 734-222 | ANN ARBOR | 9323 | — | — |
| 734-229 | ROMULUS | 9323 | — | Yes |
| 734-232 | ANN ARBOR | 9323 | 2004-05-28 | Yes |
| 734-240 | MONROE | 9323 | — | — |
| 734-241 | MONROE | 9323 | — | — |
| 734-242 | MONROE | 9323 | — | — |
| 734-243 | MONROE | 9323 | — | — |
| 734-246 | WYANDOTTE | 9323 | — | — |
| 734-247 | ROMULUS | 9323 | — | Yes |
| 734-254 | PLYMOUTH | 9323 | — | Yes |
| 734-261 | LIVONIA | 9323 | — | — |
| 734-266 | LIVONIA | 9323 | — | — |
| 734-281 | WYANDOTTE | 9323 | — | — |
| 734-282 | WYANDOTTE | 9323 | — | — |
| 734-283 | WYANDOTTE | 9323 | — | — |
| 734-284 | WYANDOTTE | 9323 | — | — |
| 734-285 | WYANDOTTE | 9323 | — | — |
| 734-287 | WYANDOTTE | 9323 | — | — |
| 734-289 | MONROE | 9323 | — | Yes |
| 734-302 | ANN ARBOR | 9323 | — | Yes |
| 734-324 | WYANDOTTE | 9323 | — | Yes |
| 734-326 | WAYNE | 9323 | — | — |
| 734-327 | ANN ARBOR | 9323 | — | — |
| 734-332 | ANN ARBOR | 9323 | — | Yes |
| 734-334 | WAYNE | 9323 | — | Yes |
| 734-350 | YPSILANTI | 9323 | 2019-10-30 | Yes |
| 734-354 | PLYMOUTH | 9323 | — | — |
| 734-362 | TRENTON | 9323 | — | Yes |
| 734-367 | LIVONIA | 9323 | — | Yes |
| 734-374 | WYANDOTTE | 9323 | — | Yes |
| 734-379 | ROCKWOOD | 9323 | — | — |
| 734-384 | MONROE | 9323 | — | Yes |
| 734-386 | PLYMOUTH | 9323 | 2005-12-14 | Yes |
| 734-394 | WAYNE | 9323 | — | Yes |
| 734-397 | WAYNE | 9323 | — | — |
| 734-398 | WAYNE | 9323 | — | Yes |
| 734-414 | PLYMOUTH | 9323 | — | Yes |
| 734-416 | PLYMOUTH | 9323 | — | — |
| 734-420 | PLYMOUTH | 9323 | — | Yes |
| 734-421 | LIVONIA | 9323 | — | — |
| 734-422 | LIVONIA | 9323 | — | — |
| 734-424 | DEXTER | 9323 | — | Yes |
| 734-425 | LIVONIA | 9323 | — | — |
| 734-426 | DEXTER | 9323 | — | — |
| 734-427 | LIVONIA | 9323 | — | — |
| 734-428 | MANCHESTER | 9323 | — | Yes |
| 734-432 | LIVONIA | 9323 | — | — |
| 734-433 | CHELSEA | 9323 | — | Yes |
| 734-434 | YPSILANTI | 9323 | — | — |
| 734-439 | MILAN | 9323 | — | Yes |
| 734-449 | WHITMORELK | 9323 | — | Yes |
| 734-451 | PLYMOUTH | 9323 | — | — |
| 734-453 | PLYMOUTH | 9323 | — | — |
| 734-454 | PLYMOUTH | 9323 | — | — |
| 734-455 | PLYMOUTH | 9323 | — | — |
| 734-457 | MONROE | 9323 | — | — |
| 734-458 | LIVONIA | 9323 | — | — |
| 734-459 | PLYMOUTH | 9323 | — | — |
| 734-461 | WILLIS | 9323 | — | Yes |
| 734-462 | LIVONIA | 9323 | — | — |
| 734-464 | LIVONIA | 9323 | — | — |
| 734-466 | LIVONIA | 9323 | — | Yes |
| 734-467 | WAYNE | 9323 | — | — |
| 734-475 | CHELSEA | 9323 | — | — |
| 734-477 | ANN ARBOR | 9323 | — | — |
| 734-479 | WYANDOTTE | 9323 | — | Yes |
| 734-480 | YPSILANTI | 9323 | — | Yes |
| 734-481 | YPSILANTI | 9323 | — | — |
| 734-482 | YPSILANTI | 9323 | — | — |
| 734-483 | YPSILANTI | 9323 | — | — |
| 734-484 | YPSILANTI | 9323 | — | — |
| 734-485 | YPSILANTI | 9323 | — | — |
| 734-486 | WYANDOTTE | 9323 | — | Yes |
| 734-487 | YPSILANTI | 9323 | — | — |
| 734-495 | YPSILANTI | 9323 | — | — |
| 734-513 | LIVONIA | 9323 | — | — |
| 734-522 | LIVONIA | 9323 | — | — |
| 734-523 | LIVONIA | 9323 | — | — |
| 734-524 | LIVONIA | 9323 | — | Yes |
| 734-525 | LIVONIA | 9323 | — | — |
| 734-528 | YPSILANTI | 9323 | — | Yes |
| 734-542 | LIVONIA | 9323 | — | — |
| 734-544 | YPSILANTI | 9323 | — | Yes |
| 734-547 | YPSILANTI | 9323 | — | Yes |
| 734-565 | ANN ARBOR | 9323 | 2002-02-04 | — |
| 734-572 | YPSILANTI | 9323 | — | Yes |
| 734-582 | PLYMOUTH | 9323 | — | Yes |
| 734-591 | LIVONIA | 9323 | — | — |
| 734-595 | WAYNE | 9323 | — | — |
| 734-601 | LIVONIA | 9323 | 2019-10-30 | Yes |
| 734-615 | ANN ARBOR | 9323 | — | — |
| 734-619 | ANN ARBOR | 9323 | 2006-02-01 | Yes |
| 734-622 | ANN ARBOR | 9323 | — | — |
| 734-623 | ANN ARBOR | 9323 | — | Yes |
| 734-632 | LIVONIA | 9323 | — | Yes |
| 734-641 | WAYNE | 9323 | — | — |
| 734-647 | ANN ARBOR | 9323 | — | — |
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.