All assignees
799 prefixes in 248 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 248-801 | W BLOOMFLD | 543C | — | Yes |
| 248-802 | CLARKSTON | 2964 | — | — |
| 248-803 | ORTONVILLE | 991E | 2011-03-18 | Yes |
| 248-804 | PONTIAC | 6003 | — | — |
| 248-805 | ROCHESTER | 460K | 2008-02-07 | Yes |
| 248-806 | PONTIAC | 9748 | — | — |
| 248-807 | HOLLY | 6003 | 2001-10-01 | — |
| 248-808 | ROYAL OAK | 6534 | 2001-06-28 | Yes |
| 248-809 | SOUTHFIELD | 318J | — | Yes |
| 248-810 | ROYAL OAK | 543C | 2023-07-26 | Yes |
| 248-811 | XXXXXXXXXX | MULT | — | — |
| 248-812 | PONTIAC | 5562 | 2008-10-02 | Yes |
| 248-813 | TROY | 9323 | — | Yes |
| 248-814 | LAKE ORION | 9323 | — | Yes |
| 248-815 | PONTIAC | 9748 | — | — |
| 248-816 | BIRMINGHAM | 9323 | — | — |
| 248-817 | TROY | 318J | 2011-08-12 | Yes |
| 248-818 | PONTIAC | 6534 | — | Yes |
| 248-819 | W BLOOMFLD | 2964 | — | Yes |
| 248-820 | HOLLY | 6003 | — | Yes |
| 248-821 | PONTIAC | 6534 | — | — |
| 248-822 | BIRMINGHAM | 9323 | — | — |
| 248-823 | TROY | 6120 | — | Yes |
| 248-824 | TROY | 770E | — | Yes |
| 248-825 | TROY | 2964 | 2010-05-14 | Yes |
| 248-826 | NORTHVILLE | 6003 | 2011-09-28 | Yes |
| 248-827 | SOUTHFIELD | 9323 | — | Yes |
| 248-828 | TROY | 9323 | — | Yes |
| 248-829 | AUBURN HTS | 770E | — | Yes |
| 248-830 | PONTIAC | 5562 | 2001-05-24 | Yes |
| 248-831 | ORTONVILLE | 6003 | 2013-02-01 | Yes |
| 248-832 | NORTHVILLE | 2964 | 2016-11-23 | Yes |
| 248-833 | BIRMINGHAM | 7279 | — | Yes |
| 248-834 | LAKE ORION | 6120 | — | Yes |
| 248-835 | TROY | 2964 | 2002-05-08 | Yes |
| 248-836 | PONTIAC | 770E | — | Yes |
| 248-837 | ROYAL OAK | 770E | — | Yes |
| 248-838 | PONTIAC | 9323 | — | Yes |
| 248-839 | BIRMINGHAM | 770E | 2015-03-27 | Yes |
| 248-840 | TROY | 6003 | 2001-01-25 | — |
| 248-841 | ROCHESTER | 770E | — | Yes |
| 248-842 | PONTIAC | 5562 | — | Yes |
| 248-843 | CLARKSTON | 2964 | 2015-06-16 | Yes |
| 248-844 | AUBURN HTS | 9323 | — | — |
| 248-845 | LAKE ORION | 770E | — | Yes |
| 248-846 | HOLLY | 6120 | — | Yes |
| 248-847 | W BLOOMFLD | 2964 | 2015-05-14 | Yes |
| 248-848 | FARMINGTON | 9323 | — | — |
| 248-849 | SOUTHFIELD | 9323 | 2001-05-02 | Yes |
| 248-850 | ROYAL OAK | 6534 | 2006-02-28 | Yes |
| 248-851 | W BLOOMFLD | 9323 | — | — |
| 248-852 | AUBURN HTS | 9323 | — | — |
| 248-853 | AUBURN HTS | 9323 | — | — |
| 248-854 | TROY | 2964 | 2001-03-26 | — |
| 248-855 | W BLOOMFLD | 9323 | — | — |
| 248-856 | AUBURN HTS | 7279 | 2002-03-12 | Yes |
| 248-857 | PONTIAC | 9323 | — | — |
| 248-858 | PONTIAC | 9323 | — | — |
| 248-859 | WALLEDLAKE | 045L | 2007-09-04 | Yes |
| 248-860 | PONTIAC | 6003 | 2002-09-17 | — |
| 248-861 | CLARKSTON | 2964 | 2016-08-18 | Yes |
| 248-862 | W BLOOMFLD | 770E | — | Yes |
| 248-863 | WALLEDLAKE | 770E | — | Yes |
| 248-864 | SOUTHFIELD | 6120 | 2001-08-27 | Yes |
| 248-865 | W BLOOMFLD | 9323 | — | — |
| 248-866 | SOUTHFIELD | 5562 | — | Yes |
| 248-867 | SOUTHFIELD | 5562 | — | Yes |
| 248-868 | SOUTHFIELD | 6630 | — | — |
| 248-869 | NORTHVILLE | 817J | 2001-02-28 | — |
| 248-870 | NORTHVILLE | 2964 | 2019-06-20 | Yes |
| 248-871 | FARMINGTON | 829J | — | Yes |
| 248-872 | PONTIAC | 5562 | — | Yes |
| 248-873 | FARMINGTON | 6534 | 2019-06-27 | Yes |
| 248-874 | PONTIAC | 9323 | — | Yes |
| 248-875 | PONTIAC | 5562 | — | Yes |
| 248-876 | FARMINGTON | 6120 | — | Yes |
| 248-877 | PONTIAC | 6534 | — | — |
| 248-878 | TROY | 6003 | 2011-08-08 | Yes |
| 248-879 | TROY | 9323 | — | — |
| 248-880 | NORTHVILLE | 6003 | 2002-03-12 | — |
| 248-881 | PONTIAC | 6534 | — | Yes |
| 248-882 | PONTIAC | 6534 | — | — |
| 248-883 | PONTIAC | 6120 | — | Yes |
| 248-884 | PONTIAC | 6534 | — | — |
| 248-885 | BIRMINGHAM | 6534 | 2001-07-27 | Yes |
| 248-886 | DRAYTON PL | 9323 | — | Yes |
| 248-887 | MILFDWH LK | 0695 | — | — |
| 248-888 | FARMINGTON | 9323 | — | Yes |
| 248-889 | MILFDWH LK | 0695 | — | — |
| 248-890 | ROYAL OAK | 6534 | — | — |
| 248-891 | PONTIAC | 6003 | — | — |
| 248-892 | PONTIAC | 6534 | — | — |
| 248-893 | FARMINGTON | 7279 | — | Yes |
| 248-894 | PONTIAC | 5562 | — | Yes |
| 248-895 | PONTIAC | 5562 | — | Yes |
| 248-896 | WALLEDLAKE | 6120 | — | Yes |
| 248-897 | PONTIAC | 991E | 2015-07-21 | Yes |
| 248-898 | ROYAL OAK | 9323 | — | — |
| 248-899 | ORTONVILLE | 817J | 2002-04-02 | — |
| 248-900 | ORTONVILLE | 543C | 2016-11-30 | 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.