All assignees
729 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-500 | — | — | ||
| 734-501 | DUNDEE | 817J | — | — |
| 734-502 | WAYNE | 6534 | — | — |
| 734-503 | SALINE | 817J | — | — |
| 734-504 | WAYNE | 9748 | — | — |
| 734-505 | IDA | 6003 | 2013-01-22 | Yes |
| 734-506 | CARLETON | 770E | — | Yes |
| 734-507 | YPSILANTI | 2964 | — | Yes |
| 734-508 | MILAN | 770E | — | Yes |
| 734-509 | ANN ARBOR | 6630 | — | — |
| 734-510 | ANN ARBOR | 770E | 2021-02-28 | Yes |
| 734-511 | XXXXXXXXXX | MULT | — | — |
| 734-512 | TRENTON | 7279 | — | Yes |
| 734-513 | LIVONIA | 9323 | — | — |
| 734-514 | IDA | 543C | 2014-03-13 | Yes |
| 734-515 | WHITMORELK | 6003 | 2012-09-17 | Yes |
| 734-516 | WAYNE | 6534 | — | — |
| 734-517 | — | — | ||
| 734-518 | LIVONIA | 7279 | — | Yes |
| 734-519 | ANN ARBOR | 991E | 2020-06-02 | Yes |
| 734-520 | IDA | 817J | — | — |
| 734-521 | LIVONIA | 7279 | — | Yes |
| 734-522 | LIVONIA | 9323 | — | — |
| 734-523 | LIVONIA | 9323 | — | — |
| 734-524 | LIVONIA | 9323 | — | Yes |
| 734-525 | LIVONIA | 9323 | — | — |
| 734-526 | MILAN | 6120 | — | Yes |
| 734-527 | ANN ARBOR | 817J | — | — |
| 734-528 | YPSILANTI | 9323 | — | Yes |
| 734-529 | DUNDEE | 0695 | — | Yes |
| 734-530 | WYANDOTTE | 7279 | — | Yes |
| 734-531 | ANN ARBOR | 7279 | — | Yes |
| 734-532 | ROMULUS | 6120 | — | Yes |
| 734-533 | YPSILANTI | 817J | — | — |
| 734-534 | LAMBERTVL | 817J | — | — |
| 734-535 | FLAT ROCK | 7279 | — | Yes |
| 734-536 | LIVONIA | 6003 | — | — |
| 734-537 | MAYBEE | 543C | 2021-08-16 | Yes |
| 734-538 | TEMPERANCE | 817J | — | — |
| 734-539 | ANN ARBOR | 770E | 2018-03-06 | Yes |
| 734-540 | WAYNE | 543C | 2023-01-11 | Yes |
| 734-541 | NOSYLVANIA | 478J | 2021-10-25 | Yes |
| 734-542 | LIVONIA | 9323 | — | — |
| 734-543 | NEW BOSTON | 7279 | — | Yes |
| 734-544 | YPSILANTI | 9323 | — | Yes |
| 734-545 | ANN ARBOR | 6534 | — | Yes |
| 734-546 | ANN ARBOR | 6534 | — | — |
| 734-547 | YPSILANTI | 9323 | — | Yes |
| 734-548 | ANN ARBOR | 6534 | — | Yes |
| 734-549 | ERIE | 817J | — | — |
| 734-550 | WHITMORELK | 2964 | 2005-05-18 | Yes |
| 734-551 | NEW BOSTON | 770E | — | Yes |
| 734-552 | WYANDOTTE | 6003 | — | — |
| 734-553 | GREGORY | 817J | — | — |
| 734-554 | WILLIS | 6003 | — | Yes |
| 734-555 | DIR ASST | MULT | — | — |
| 734-556 | WYANDOTTE | 6120 | — | Yes |
| 734-557 | YPSILANTI | 6120 | — | Yes |
| 734-558 | WYANDOTTE | 6003 | — | — |
| 734-559 | TRENTON | 829J | — | Yes |
| 734-560 | WAYNE | 2964 | — | Yes |
| 734-561 | TRENTON | 829J | — | Yes |
| 734-562 | CHELSEA | 318J | — | Yes |
| 734-563 | PINCKNEY | 543C | 2021-06-16 | Yes |
| 734-564 | PLYMOUTH | 2964 | — | Yes |
| 734-565 | ANN ARBOR | 9323 | 2002-02-04 | — |
| 734-566 | PLYMOUTH | 9748 | — | — |
| 734-567 | WILLIS | 829J | — | Yes |
| 734-568 | LAMBERTVL | 543C | 2005-09-13 | Yes |
| 734-570 | CHELSEA | 543C | 2023-06-26 | Yes |
| 734-571 | TRENTON | 817J | — | — |
| 734-572 | YPSILANTI | 9323 | — | Yes |
| 734-573 | YPSILANTI | 817J | — | — |
| 734-574 | WYANDOTTE | 817J | — | — |
| 734-575 | WYANDOTTE | 6003 | 2022-11-15 | Yes |
| 734-576 | YPSILANTI | 2964 | — | Yes |
| 734-577 | WILLIS | 543C | 2016-02-22 | Yes |
| 734-578 | WAYNE | 961J | — | Yes |
| 734-579 | YPSILANTI | 543C | 2023-06-26 | Yes |
| 734-580 | DEXTER | 318J | 2012-08-21 | Yes |
| 734-581 | MONROE | 2964 | 2021-01-19 | Yes |
| 734-582 | PLYMOUTH | 9323 | — | Yes |
| 734-583 | BELLEVILLE | 6534 | 2020-01-15 | Yes |
| 734-584 | GREGORY | 624H | 2021-05-19 | Yes |
| 734-585 | ANN ARBOR | 7279 | — | Yes |
| 734-586 | NEWPORT | 0702 | — | — |
| 734-587 | MAYBEE | 0695 | — | Yes |
| 734-588 | WILLIS | 2550 | — | Yes |
| 734-589 | WAYNE | 991E | 2011-06-03 | Yes |
| 734-590 | ANN ARBOR | 543C | 2022-11-23 | Yes |
| 734-591 | LIVONIA | 9323 | — | — |
| 734-592 | NEW BOSTON | 4125 | — | Yes |
| 734-593 | CHELSEA | 770E | — | Yes |
| 734-594 | DEXTER | 6003 | 2013-02-01 | Yes |
| 734-595 | WAYNE | 9323 | — | — |
| 734-596 | ANN ARBOR | 2964 | 2021-09-16 | Yes |
| 734-597 | MONROE | 6003 | 2021-11-05 | Yes |
| 734-598 | MONROE | 543C | 2023-06-26 | Yes |
| 734-599 | LOSTPNNSUL | 965H | 2021-04-02 | Yes |
| 734-600 | NEWPORT | 543C | 2018-09-25 | 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.