All assignees
524 prefixes in 810 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 810-733 | FLINT | 9323 | — | — |
| 810-734 | ALGONAC | 6003 | 2002-03-28 | Yes |
| 810-735 | LINDEN | 0695 | — | Yes |
| 810-736 | FLINT | 9323 | — | — |
| 810-737 | HARTLAND | 516J | 2022-03-15 | Yes |
| 810-740 | ST CLAIR | 6120 | 2001-09-21 | Yes |
| 810-742 | FLINT | 9323 | — | — |
| 810-743 | FLINT | 9323 | — | — |
| 810-744 | FLINT | 9323 | — | — |
| 810-746 | HARTLAND | 6120 | 2002-05-23 | Yes |
| 810-748 | ALGONAC | 9323 | — | Yes |
| 810-750 | FENTON | 9323 | — | — |
| 810-751 | CAPAC | 6003 | 2002-09-17 | Yes |
| 810-760 | FLINT | 9323 | — | — |
| 810-762 | FLINT | 9323 | — | — |
| 810-765 | MARINECITY | 9323 | — | — |
| 810-766 | FLINT | 9323 | — | Yes |
| 810-767 | FLINT | 9323 | — | — |
| 810-768 | FLINT | 9323 | — | Yes |
| 810-771 | GRANDBLANC | 9714 | 2006-09-20 | Yes |
| 810-772 | BRIGHTON | 2964 | 2002-06-26 | Yes |
| 810-775 | BRIGHTON | 318J | 2014-09-30 | Yes |
| 810-776 | FLINT | 516J | 2022-03-09 | Yes |
| 810-777 | FLINT | 543C | 2015-08-13 | Yes |
| 810-780 | FLINT | 9323 | — | Yes |
| 810-785 | FLINT | 9323 | — | — |
| 810-787 | FLINT | 9323 | — | — |
| 810-788 | YALE | 6003 | 2002-05-23 | Yes |
| 810-789 | FLINT | 9323 | — | — |
| 810-790 | IMLAY CITY | 6003 | 2002-09-17 | Yes |
| 810-793 | COLUMBIAVL | 0695 | — | Yes |
| 810-794 | ALGONAC | 9323 | — | Yes |
| 810-796 | DRYDEN | 0695 | — | Yes |
| 810-797 | HADLEY | 0671 | — | Yes |
| 810-798 | ALMONT | 0695 | — | Yes |
| 810-799 | GRANDBLANC | 965H | 2021-04-02 | Yes |
| 810-800 | HARTLAND | 817J | 2002-03-27 | — |
| 810-809 | XXXXXXXXXX | 9323 | — | — |
| 810-811 | XXXXXXXXXX | MULT | — | — |
| 810-812 | FLINT | 9748 | — | — |
| 810-813 | FLINT | 6534 | — | — |
| 810-814 | FLINT | 2964 | — | — |
| 810-815 | LEXINGTON | 543C | — | Yes |
| 810-818 | MONTROSE | 543C | 2018-09-25 | Yes |
| 810-819 | BRIGHTON | 543C | 2018-01-04 | Yes |
| 810-820 | FLINT | 6534 | — | Yes |
| 810-821 | ALGONAC | 7279 | — | — |
| 810-822 | BRIGHTON | 883K | 2025-12-26 | Yes |
| 810-824 | PORT HURON | 829J | — | Yes |
| 810-827 | EMMETT | 2550 | — | Yes |
| 810-828 | DAVISON | 817J | 2002-03-27 | — |
| 810-830 | BRIGHTON | 2964 | — | Yes |
| 810-833 | FLINT | 9748 | — | — |
| 810-834 | LAPEER | 2964 | 2002-06-26 | Yes |
| 810-835 | FLINT | 9323 | — | Yes |
| 810-836 | FLINT | 2964 | — | Yes |
| 810-837 | SANDUSKY | 6534 | — | Yes |
| 810-841 | PORT HURON | 6534 | — | Yes |
| 810-842 | IMLAY CITY | 770E | — | Yes |
| 810-844 | BRIGHTON | 9323 | — | Yes |
| 810-845 | FLINT | 6003 | — | — |
| 810-852 | BRIGHTON | 7279 | — | Yes |
| 810-853 | FLINT | 6534 | — | Yes |
| 810-854 | BRIGHTON | 770E | 2025-02-18 | Yes |
| 810-857 | ALGONAC | 817J | 2002-01-16 | — |
| 810-858 | PORT HURON | 5562 | — | Yes |
| 810-866 | GRANDBLANC | 770E | — | Yes |
| 810-867 | FLUSHING | 770E | — | Yes |
| 810-869 | FLINT | 6003 | — | — |
| 810-874 | FLINT | 2964 | 2001-07-17 | Yes |
| 810-875 | FLINT | 6534 | — | Yes |
| 810-877 | FLINT | 6534 | 2001-07-17 | Yes |
| 810-878 | CROSWELL | 9323 | — | Yes |
| 810-880 | FLINT | 939H | 2022-06-01 | Yes |
| 810-881 | PECK | 6120 | 2002-03-18 | Yes |
| 810-882 | LAPEER | 7279 | — | Yes |
| 810-884 | MARINECITY | 5562 | 2020-09-24 | Yes |
| 810-885 | FENTON | 7279 | — | Yes |
| 810-886 | BROWN CITY | 6003 | 2001-10-18 | Yes |
| 810-887 | PORT HURON | 9323 | 2001-01-15 | Yes |
| 810-888 | GOODELLS | 543C | 2015-04-16 | Yes |
| 810-891 | SANDUSKY | 543C | — | Yes |
| 810-892 | MARINECITY | 6120 | — | Yes |
| 810-893 | FLINT | 2964 | 2010-11-03 | Yes |
| 810-895 | LAPEER | 6120 | — | Yes |
| 810-900 | BRIGHTON | 817J | 2002-03-27 | — |
| 810-901 | SANDUSKY | 2550 | — | Yes |
| 810-908 | FLINT | 6534 | 2001-01-15 | — |
| 810-911 | XXXXXXXXXX | MULT | — | — |
| 810-919 | FLINT | 6534 | — | — |
| 810-922 | FLINT | 6003 | — | — |
| 810-923 | BRIGHTON | 6003 | — | — |
| 810-931 | FLINT | 6003 | — | — |
| 810-936 | FENTON | 770E | — | Yes |
| 810-937 | PORT HURON | 7279 | 2001-05-16 | Yes |
| 810-938 | FLINT | 6534 | — | — |
| 810-941 | PORT HURON | 770E | — | Yes |
| 810-950 | — | — | ||
| 810-953 | GRANDBLANC | 9323 | — | Yes |
| 810-955 | FLINT | 2964 | — | 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.