All assignees
782 prefixes in 313 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 313-702 | DETROITZN5 | 6534 | — | — |
| 313-703 | DETROITZN5 | 543C | — | Yes |
| 313-704 | DETROITZN5 | 6534 | — | Yes |
| 313-705 | DETROITZN5 | 9748 | — | — |
| 313-706 | DETROITZN5 | 6534 | — | Yes |
| 313-707 | DETROITZN3 | 2964 | 2014-11-07 | Yes |
| 313-708 | DETROITZN2 | 624H | 2023-02-21 | Yes |
| 313-709 | DETROITZN5 | 9748 | — | — |
| 313-710 | DETROITZN1 | 624H | 2019-09-10 | Yes |
| 313-711 | XXXXXXXXXX | MULT | — | — |
| 313-712 | DETROITZN6 | 2964 | — | Yes |
| 313-713 | DETROITZN5 | 2964 | 2011-08-31 | Yes |
| 313-714 | DETROITZN5 | 9748 | — | — |
| 313-715 | DETROITZN5 | 6534 | — | Yes |
| 313-716 | DETROITZN5 | 6003 | 2024-03-28 | Yes |
| 313-717 | DETROITZN5 | 2964 | — | Yes |
| 313-718 | DETROITZN6 | 2964 | — | Yes |
| 313-719 | DETROITZN5 | 6534 | — | — |
| 313-720 | DETROITZN5 | 6003 | — | — |
| 313-721 | DETROITZN6 | 2964 | — | Yes |
| 313-722 | DETROITZN6 | 9323 | — | Yes |
| 313-723 | DETROITZN4 | 2964 | 2013-12-03 | Yes |
| 313-724 | DETROITZN6 | 9323 | — | Yes |
| 313-725 | DETROITZN1 | 7279 | 2013-05-13 | Yes |
| 313-726 | DETROITZN6 | 516J | 2022-02-28 | Yes |
| 313-727 | DETROITZN5 | 6534 | 2001-05-14 | — |
| 313-728 | DETROITZN5 | 5562 | — | Yes |
| 313-729 | DETROITZN6 | 2964 | — | — |
| 313-730 | DETROITZN6 | 9323 | — | Yes |
| 313-731 | DETROITZN3 | 7279 | — | Yes |
| 313-732 | DETROITZN2 | 7279 | — | Yes |
| 313-733 | DETROITZN3 | 7279 | — | Yes |
| 313-734 | DETROITZN1 | 5562 | 2025-03-06 | Yes |
| 313-735 | DETROITZN5 | 6534 | 2024-09-13 | Yes |
| 313-736 | DETROITZN4 | 7279 | — | Yes |
| 313-737 | DETROITZN5 | 6534 | — | — |
| 313-738 | DETROITZN5 | 6534 | 2024-04-05 | Yes |
| 313-739 | DETROITZN4 | 770E | — | Yes |
| 313-740 | DETROITZN5 | 516C | — | Yes |
| 313-741 | DETROITZN6 | 6534 | 2024-05-22 | Yes |
| 313-742 | DETROITZN1 | 2964 | — | Yes |
| 313-743 | DETROITZN2 | 7279 | — | Yes |
| 313-744 | DETROITZN4 | 2964 | 2011-01-07 | Yes |
| 313-745 | DETROITZN1 | 9323 | — | — |
| 313-746 | DETROITZN1 | 516J | 2022-02-18 | Yes |
| 313-747 | DETROITZN4 | 2964 | 2015-05-11 | Yes |
| 313-748 | DETROITZN1 | 7279 | 2001-08-15 | Yes |
| 313-749 | DETROITZN6 | 7279 | — | Yes |
| 313-750 | DETROITZN4 | 2964 | 2024-05-22 | Yes |
| 313-751 | DETROITZN5 | 991E | 2018-12-13 | Yes |
| 313-752 | DETROITZN1 | 2964 | 2016-11-15 | Yes |
| 313-753 | DETROITZN5 | 6534 | — | Yes |
| 313-754 | DETROITZN5 | 9748 | — | — |
| 313-755 | DETROITZN6 | 9323 | — | — |
| 313-756 | DETROITZN1 | 770E | 2020-11-17 | Yes |
| 313-757 | DETROITZN6 | 991E | 2011-05-23 | Yes |
| 313-758 | DETROITZN1 | 9323 | 2001-05-25 | Yes |
| 313-759 | DETROITZN5 | 2964 | — | Yes |
| 313-760 | DETROITZN1 | 9323 | — | — |
| 313-761 | DETROITZN1 | 598J | — | Yes |
| 313-762 | DETROITZN1 | 2964 | 2024-06-21 | Yes |
| 313-763 | DETROITZN5 | 543C | 2020-09-02 | Yes |
| 313-764 | DETROITZN6 | 6534 | 2024-07-17 | Yes |
| 313-765 | DETROITZN6 | 933G | 2015-09-28 | Yes |
| 313-766 | DETROITZN5 | 7279 | — | Yes |
| 313-767 | DETROITZN1 | 2964 | 2024-09-04 | Yes |
| 313-768 | DETROITZN6 | 7279 | — | Yes |
| 313-769 | DETROITZN6 | 6120 | — | Yes |
| 313-770 | DETROITZN5 | 6534 | — | — |
| 313-771 | DETROITZN1 | 991E | 2017-06-21 | Yes |
| 313-772 | DETROITZN4 | 9323 | — | Yes |
| 313-773 | DETROITZN5 | 2964 | 2013-06-26 | Yes |
| 313-774 | DETROITZN1 | 770E | 2019-03-14 | Yes |
| 313-775 | DETROITZN3 | 2964 | 2015-08-20 | Yes |
| 313-776 | DETROITZN1 | 2964 | 2024-10-02 | Yes |
| 313-777 | DETROITZN3 | 543C | 2015-02-18 | Yes |
| 313-778 | DETROITZN5 | 770E | — | Yes |
| 313-779 | DETROITZN6 | 2964 | 2001-03-09 | Yes |
| 313-780 | DETROITZN5 | 9323 | — | — |
| 313-781 | DETROITZN6 | 6534 | 2024-10-17 | Yes |
| 313-782 | DETROITZN1 | 9323 | 2012-06-22 | Yes |
| 313-784 | DETROITZN1 | 318J | 2001-06-06 | Yes |
| 313-785 | DETROITZN6 | 6534 | 2025-04-11 | Yes |
| 313-786 | DETROITZN5 | 9323 | — | — |
| 313-787 | DETROITZN6 | 624H | 2023-02-21 | Yes |
| 313-788 | DETROITZN3 | 933G | 2015-11-25 | Yes |
| 313-789 | DETROITZN6 | 516C | 2015-01-09 | Yes |
| 313-790 | DETROITZN5 | 2964 | — | Yes |
| 313-791 | DETROITZN6 | 9323 | — | Yes |
| 313-792 | DETROITZN6 | 9323 | — | — |
| 313-793 | DETROITZN4 | 9748 | — | — |
| 313-794 | DETROITZN5 | 9323 | — | Yes |
| 313-795 | DETROITZN4 | 9748 | — | — |
| 313-796 | DETROITZN4 | 9748 | — | — |
| 313-797 | DETROITZN2 | 2964 | 2015-09-03 | Yes |
| 313-798 | DETROITZN5 | 6003 | 2025-04-22 | Yes |
| 313-799 | DETROITZN5 | 6534 | — | Yes |
| 313-800 | DETROITZN1 | 543C | 2015-08-12 | Yes |
| 313-801 | DETROITZN5 | 6534 | — | — |
| 313-802 | DETROITZN5 | 6534 | — | — |
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.