All assignees
799 prefixes in 248 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 248-901 | BIRMINGHAM | 9323 | — | Yes |
| 248-902 | SOUTHFIELD | 9323 | — | — |
| 248-903 | SOUTHFIELD | 9323 | — | — |
| 248-904 | PONTIAC | 6003 | 2001-06-28 | Yes |
| 248-905 | SOUTHFIELD | 9323 | — | Yes |
| 248-906 | TROY | 5562 | 2008-10-08 | Yes |
| 248-907 | FARMINGTON | 991E | 2016-06-28 | Yes |
| 248-908 | PONTIAC | 6630 | — | — |
| 248-909 | PONTIAC | 6534 | — | — |
| 248-910 | SOUTHFIELD | 5562 | — | Yes |
| 248-911 | XXXXXXXXXX | MULT | — | — |
| 248-912 | NORTHVILLE | 6003 | — | Yes |
| 248-913 | CLARKSTON | 817J | 2002-04-02 | — |
| 248-914 | SOUTHFIELD | 6003 | — | — |
| 248-915 | SOUTHFIELD | 6003 | — | — |
| 248-916 | NORTHVILLE | 6534 | — | Yes |
| 248-917 | PONTIAC | 5562 | — | Yes |
| 248-918 | TROY | 6120 | 2001-10-01 | Yes |
| 248-919 | FARMINGTON | 543C | — | Yes |
| 248-920 | PONTIAC | 7279 | — | Yes |
| 248-921 | NORTHVILLE | 6003 | — | — |
| 248-922 | CLARKSTON | 9323 | — | Yes |
| 248-923 | ROCHESTER | 508J | 2013-01-31 | Yes |
| 248-924 | NORTHVILLE | 318J | — | Yes |
| 248-925 | TROY | 770E | — | Yes |
| 248-926 | WALLEDLAKE | 9323 | — | — |
| 248-927 | CLARKSTON | 7279 | — | Yes |
| 248-928 | TROY | 7279 | — | Yes |
| 248-929 | LAKE ORION | 6120 | 2001-12-28 | Yes |
| 248-930 | TROY | 6003 | 2002-05-23 | — |
| 248-931 | PONTIAC | 6534 | — | — |
| 248-932 | W BLOOMFLD | 9323 | — | — |
| 248-933 | PONTIAC | 6534 | — | — |
| 248-934 | PONTIAC | 6534 | 2016-06-30 | Yes |
| 248-935 | PONTIAC | 5562 | — | Yes |
| 248-936 | SOUTHFIELD | 7279 | — | — |
| 248-937 | COMMERCE | 6120 | — | Yes |
| 248-938 | NORTHVILLE | 6003 | 2015-06-17 | Yes |
| 248-939 | FARMINGTON | 5562 | 2001-03-26 | Yes |
| 248-940 | BIRMINGHAM | 6534 | 2016-10-25 | Yes |
| 248-941 | ROCHESTER | 961J | 2001-06-28 | Yes |
| 248-942 | CLARKSTON | 6120 | — | Yes |
| 248-943 | SOUTHFIELD | 5562 | 2001-11-01 | Yes |
| 248-944 | PONTIAC | 9323 | — | — |
| 248-945 | SOUTHFIELD | 9323 | — | Yes |
| 248-946 | NORTHVILLE | 961J | 2001-02-28 | Yes |
| 248-947 | FARMINGTON | 6534 | 2023-12-15 | Yes |
| 248-948 | SOUTHFIELD | 9323 | — | — |
| 248-949 | FARMINGTON | 6534 | 2015-09-02 | Yes |
| 248-950 | — | — | ||
| 248-951 | ROYAL OAK | 543C | 2015-09-04 | Yes |
| 248-952 | BIRMINGHAM | 9323 | — | Yes |
| 248-953 | TROY | 6003 | 2002-09-17 | — |
| 248-954 | FARMINGTON | 6534 | 2016-11-03 | Yes |
| 248-955 | ROYAL OAK | 829J | — | Yes |
| 248-956 | WALLEDLAKE | 829J | — | Yes |
| 248-957 | FARMINGTON | 7279 | — | Yes |
| 248-958 | — | — | ||
| 248-959 | — | — | ||
| 248-960 | WALLEDLAKE | 9323 | — | — |
| 248-961 | PONTIAC | 6534 | — | Yes |
| 248-962 | NORTHVILLE | 829J | — | Yes |
| 248-963 | ROCHESTER | 991E | 2016-07-25 | Yes |
| 248-964 | TROY | 9323 | — | — |
| 248-965 | ROYAL OAK | 318J | 2015-08-20 | Yes |
| 248-966 | SOUTHFIELD | 6630 | — | — |
| 248-967 | ROYAL OAK | 9323 | — | — |
| 248-968 | ROYAL OAK | 9323 | — | — |
| 248-969 | OXFORD | 9323 | — | — |
| 248-970 | W BLOOMFLD | 046L | 2016-12-23 | Yes |
| 248-971 | BIRMINGHAM | 7279 | 2001-05-24 | Yes |
| 248-972 | PONTIAC | 9323 | — | Yes |
| 248-973 | W BLOOMFLD | 7279 | — | Yes |
| 248-974 | NORTHVILLE | 5562 | 2002-03-12 | Yes |
| 248-975 | PONTIAC | 9323 | — | Yes |
| 248-976 | — | — | ||
| 248-977 | PONTIAC | 6534 | — | Yes |
| 248-978 | PONTIAC | 961J | — | Yes |
| 248-979 | BIRMINGHAM | 5562 | 2001-08-27 | Yes |
| 248-980 | PONTIAC | 5562 | — | Yes |
| 248-981 | PONTIAC | 5562 | — | Yes |
| 248-982 | NORTHVILLE | 2964 | — | — |
| 248-983 | HOLLY | 543C | 2016-06-30 | Yes |
| 248-984 | FARMINGTON | 6534 | 2023-08-03 | Yes |
| 248-985 | W BLOOMFLD | 7279 | — | Yes |
| 248-986 | FARMINGTON | 6534 | 2014-09-10 | Yes |
| 248-987 | FARMINGTON | 770E | — | Yes |
| 248-988 | BIRMINGHAM | 9323 | — | Yes |
| 248-989 | TROY | 7279 | — | Yes |
| 248-990 | ROYAL OAK | 6534 | 2002-03-12 | — |
| 248-991 | FARMINGTON | 7279 | — | Yes |
| 248-992 | ROYAL OAK | 9748 | — | — |
| 248-993 | NORTHVILLE | 5562 | 2016-08-17 | Yes |
| 248-994 | FARMINGTON | 9323 | — | Yes |
| 248-995 | ROYAL OAK | 9748 | 2004-07-21 | — |
| 248-996 | SOUTHFIELD | 6003 | — | Yes |
| 248-997 | AUBURN HTS | 6120 | — | Yes |
| 248-998 | ROYAL OAK | 9748 | — | — |
| 248-999 | XXXXXXXXXX | 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.