All assignees
729 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-400 | YPSILANTI | 543C | 2015-09-28 | Yes |
| 734-401 | SALINE | 817J | — | — |
| 734-402 | LIVONIA | 829J | — | Yes |
| 734-403 | ROMULUS | 829J | — | Yes |
| 734-404 | PLYMOUTH | 829J | — | Yes |
| 734-405 | WAYNE | 829J | — | Yes |
| 734-406 | ROMULUS | 6534 | 2017-02-27 | Yes |
| 734-407 | WYANDOTTE | 829J | — | Yes |
| 734-408 | DEXTER | 829J | — | Yes |
| 734-409 | NOSYLVANIA | 543C | 2021-07-02 | Yes |
| 734-410 | MONROE | 5562 | 2018-07-13 | Yes |
| 734-411 | XXXXXXXXXX | MULT | — | — |
| 734-412 | ANN ARBOR | 197D | 2018-11-30 | Yes |
| 734-413 | ROMULUS | 7279 | — | Yes |
| 734-414 | PLYMOUTH | 9323 | — | Yes |
| 734-415 | NEW BOSTON | 829J | — | Yes |
| 734-416 | PLYMOUTH | 9323 | — | — |
| 734-417 | ANN ARBOR | 6003 | — | — |
| 734-418 | ANN ARBOR | 6120 | 2015-02-04 | Yes |
| 734-419 | WAYNE | 7279 | — | Yes |
| 734-420 | PLYMOUTH | 9323 | — | Yes |
| 734-421 | LIVONIA | 9323 | — | — |
| 734-422 | LIVONIA | 9323 | — | — |
| 734-423 | WAYNE | 7279 | — | Yes |
| 734-424 | DEXTER | 9323 | — | Yes |
| 734-425 | LIVONIA | 9323 | — | — |
| 734-426 | DEXTER | 9323 | — | — |
| 734-427 | LIVONIA | 9323 | — | — |
| 734-428 | MANCHESTER | 9323 | — | Yes |
| 734-429 | SALINE | 0695 | — | — |
| 734-430 | MONROE | 991E | 2010-06-08 | Yes |
| 734-431 | WAYNE | 6003 | 2013-03-26 | Yes |
| 734-432 | LIVONIA | 9323 | — | — |
| 734-433 | CHELSEA | 9323 | — | Yes |
| 734-434 | YPSILANTI | 9323 | — | — |
| 734-435 | NEW BOSTON | 6003 | 2004-08-03 | Yes |
| 734-436 | ANN ARBOR | 933G | — | Yes |
| 734-437 | LIVONIA | 6120 | — | Yes |
| 734-438 | MAYBEE | 817J | — | — |
| 734-439 | MILAN | 9323 | — | Yes |
| 734-440 | NEW BOSTON | 829J | — | Yes |
| 734-441 | ROCKWOOD | 829J | — | Yes |
| 734-442 | ROMULUS | 829J | — | Yes |
| 734-443 | NEW BOSTON | 6120 | — | Yes |
| 734-444 | LIVONIA | 5562 | 2005-10-18 | Yes |
| 734-445 | YPSILANTI | 7279 | — | Yes |
| 734-446 | PLYMOUTH | 6120 | — | Yes |
| 734-447 | WAYNE | 7279 | — | Yes |
| 734-448 | YPSILANTI | 7279 | — | Yes |
| 734-449 | WHITMORELK | 9323 | — | Yes |
| 734-450 | ANN ARBOR | 2964 | 2018-10-19 | Yes |
| 734-451 | PLYMOUTH | 9323 | — | — |
| 734-452 | LIVONIA | 7279 | — | Yes |
| 734-453 | PLYMOUTH | 9323 | — | — |
| 734-454 | PLYMOUTH | 9323 | — | — |
| 734-455 | PLYMOUTH | 9323 | — | — |
| 734-456 | PLYMOUTH | 7279 | — | Yes |
| 734-457 | MONROE | 9323 | — | — |
| 734-458 | LIVONIA | 9323 | — | — |
| 734-459 | PLYMOUTH | 9323 | — | — |
| 734-460 | WAYNE | 6003 | 2022-03-10 | Yes |
| 734-461 | WILLIS | 9323 | — | Yes |
| 734-462 | LIVONIA | 9323 | — | — |
| 734-463 | PLYMOUTH | 543C | 2020-11-06 | Yes |
| 734-464 | LIVONIA | 9323 | — | — |
| 734-465 | ANN ARBOR | 6534 | 2024-02-07 | Yes |
| 734-466 | LIVONIA | 9323 | — | Yes |
| 734-467 | WAYNE | 9323 | — | — |
| 734-468 | PLYMOUTH | 7279 | — | — |
| 734-469 | LIVONIA | 7279 | — | Yes |
| 734-470 | SALINE | 829J | — | Yes |
| 734-471 | ROCKWOOD | 6120 | — | Yes |
| 734-472 | TRENTON | 543C | — | Yes |
| 734-473 | ANN ARBOR | 6630 | — | — |
| 734-474 | ANN ARBOR | 6003 | — | — |
| 734-475 | CHELSEA | 9323 | — | — |
| 734-476 | ANN ARBOR | 6003 | — | — |
| 734-477 | ANN ARBOR | 9323 | — | — |
| 734-478 | ANN ARBOR | 6003 | — | — |
| 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 | — | — |
| 734-488 | CHELSEA | 543C | 2020-12-17 | Yes |
| 734-489 | ANN ARBOR | 829J | — | Yes |
| 734-490 | — | — | ||
| 734-491 | WHITMORELK | 6003 | 2013-01-22 | Yes |
| 734-492 | ANN ARBOR | 991E | 2019-05-23 | Yes |
| 734-493 | TRENTON | 6120 | — | Yes |
| 734-494 | ROMULUS | 6120 | — | Yes |
| 734-495 | YPSILANTI | 9323 | — | — |
| 734-496 | ANN ARBOR | 6003 | 2020-11-09 | Yes |
| 734-497 | MONROE | 2964 | — | Yes |
| 734-498 | GREGORY | 0681 | — | Yes |
| 734-499 | ROMULUS | 965H | 2020-08-20 | 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.