All assignees
729 prefixes in 734 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 734-601 | LIVONIA | 9323 | 2019-10-30 | Yes |
| 734-602 | YPSILANTI | 490J | 2022-01-04 | Yes |
| 734-603 | ROCKWOOD | 543C | 2023-06-26 | Yes |
| 734-604 | ANN ARBOR | 6534 | — | — |
| 734-605 | MAYBEE | 817J | 2005-11-28 | Yes |
| 734-606 | NEW BOSTON | 6120 | 2005-08-23 | Yes |
| 734-607 | LAMBERTVL | 356D | 2006-03-30 | Yes |
| 734-608 | LIVONIA | 6003 | 2022-05-13 | Yes |
| 734-609 | TRENTON | 2964 | 2024-02-26 | Yes |
| 734-610 | WILLIS | 6003 | — | Yes |
| 734-611 | XXXXXXXXXX | MULT | — | — |
| 734-612 | WAYNE | 6534 | — | — |
| 734-613 | WYANDOTTE | 6534 | 2026-03-04 | Yes |
| 734-615 | ANN ARBOR | 9323 | — | — |
| 734-616 | — | — | ||
| 734-619 | ANN ARBOR | 9323 | 2006-02-01 | Yes |
| 734-620 | WAYNE | 6534 | 2001-05-14 | Yes |
| 734-621 | MONROE | 7279 | — | Yes |
| 734-622 | ANN ARBOR | 9323 | — | — |
| 734-623 | ANN ARBOR | 9323 | — | Yes |
| 734-624 | TRENTON | 5562 | 2002-10-18 | Yes |
| 734-625 | MONROE | 6003 | — | — |
| 734-626 | WYANDOTTE | 6003 | — | — |
| 734-627 | CHELSEA | 7279 | — | Yes |
| 734-628 | MILAN | 7279 | — | Yes |
| 734-629 | WAYNE | 7279 | — | Yes |
| 734-630 | ANN ARBOR | 770E | 2025-11-14 | Yes |
| 734-632 | LIVONIA | 9323 | — | Yes |
| 734-633 | NEW BOSTON | 817J | — | — |
| 734-634 | LIVONIA | 6003 | — | — |
| 734-635 | YPSILANTI | 6534 | — | — |
| 734-636 | MONROE | 5562 | 2011-02-21 | Yes |
| 734-637 | PLYMOUTH | 2964 | 2001-04-02 | Yes |
| 734-638 | WYANDOTTE | 817J | — | — |
| 734-639 | MONROE | 829J | — | Yes |
| 734-641 | WAYNE | 9323 | — | — |
| 734-642 | TRENTON | 6120 | — | Yes |
| 734-643 | WYANDOTTE | 516J | 2022-01-08 | Yes |
| 734-644 | YPSILANTI | 2964 | — | — |
| 734-645 | ANN ARBOR | 6003 | — | — |
| 734-646 | ANN ARBOR | 6003 | — | — |
| 734-647 | ANN ARBOR | 9323 | — | — |
| 734-648 | PINCKNEY | 543C | — | Yes |
| 734-649 | ANN ARBOR | 6003 | — | — |
| 734-651 | ANN ARBOR | 9748 | — | — |
| 734-652 | MONROE | 2964 | — | Yes |
| 734-653 | MILAN | 516J | 2022-03-10 | Yes |
| 734-654 | CARLETON | 9323 | — | Yes |
| 734-655 | LIVONIA | 9323 | — | Yes |
| 734-656 | PLYMOUTH | 829J | — | Yes |
| 734-657 | ANN ARBOR | 2964 | — | Yes |
| 734-658 | WAYNE | 2964 | — | Yes |
| 734-659 | ERIE | 829J | — | Yes |
| 734-660 | ANN ARBOR | 6003 | — | — |
| 734-661 | ANN ARBOR | 7279 | — | Yes |
| 734-662 | ANN ARBOR | 9323 | — | — |
| 734-663 | ANN ARBOR | 9323 | — | — |
| 734-664 | WAYNE | 6003 | — | — |
| 734-665 | ANN ARBOR | 9323 | — | — |
| 734-666 | LIVONIA | 9323 | — | Yes |
| 734-667 | PLYMOUTH | 318J | — | Yes |
| 734-668 | ANN ARBOR | 9323 | — | — |
| 734-669 | ANN ARBOR | 9323 | — | Yes |
| 734-670 | ANN ARBOR | 9748 | — | — |
| 734-671 | TRENTON | 9323 | — | — |
| 734-672 | TRENTON | 7279 | — | Yes |
| 734-673 | WAYNE | 2964 | — | Yes |
| 734-674 | WAYNE | 2964 | — | Yes |
| 734-675 | TRENTON | 9323 | — | — |
| 734-676 | TRENTON | 9323 | — | — |
| 734-677 | ANN ARBOR | 9323 | — | — |
| 734-678 | ANN ARBOR | 2964 | — | Yes |
| 734-679 | LIVONIA | 6003 | — | — |
| 734-680 | ANN ARBOR | 5562 | — | Yes |
| 734-681 | MILAN | 6120 | — | Yes |
| 734-682 | MONROE | 624H | — | Yes |
| 734-683 | GREGORY | 516J | 2022-01-08 | Yes |
| 734-684 | IDA | 516J | 2022-01-08 | Yes |
| 734-685 | ROMULUS | 7279 | 2015-01-02 | Yes |
| 734-686 | ANN ARBOR | 3535 | 2005-03-28 | Yes |
| 734-687 | MONROE | 817J | — | — |
| 734-688 | PINCKNEY | 543C | — | Yes |
| 734-689 | WHITMORELK | 829J | — | Yes |
| 734-691 | LIVONIA | 6534 | 2022-10-28 | Yes |
| 734-692 | TRENTON | 9323 | — | — |
| 734-693 | MONROE | 6534 | — | Yes |
| 734-694 | WHITMORELK | 6003 | — | Yes |
| 734-695 | YPSILANTI | 9323 | 2007-07-10 | Yes |
| 734-697 | BELLEVILLE | 9323 | — | — |
| 734-699 | BELLEVILLE | 9323 | — | — |
| 734-700 | — | — | ||
| 734-702 | WHITMORELK | 508J | 2014-04-15 | Yes |
| 734-704 | MANCHESTER | 543C | 2021-01-06 | Yes |
| 734-706 | BELLEVILLE | 6003 | 2022-09-30 | Yes |
| 734-707 | ANN ARBOR | 543C | 2010-12-21 | Yes |
| 734-708 | MAYBEE | 792K | 2006-11-21 | Yes |
| 734-709 | ANN ARBOR | 2964 | 2002-09-19 | Yes |
| 734-710 | WAYNE | 991E | — | Yes |
| 734-711 | XXXXXXXXXX | MULT | — | — |
| 734-712 | YPSILANTI | 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.