TELEPORT COMMUNICATIONS AMERICA, LLC - MI
36 prefixes in 248 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 248-204 | SOUTHFIELD | 770E | — | — |
| 248-205 | BIRMINGHAM | 770E | — | Yes |
| 248-215 | HOLLY | 770E | — | Yes |
| 248-221 | PONTIAC | 770E | 2013-07-30 | Yes |
| 248-226 | SOUTHFIELD | 770E | — | Yes |
| 248-241 | CLARKSTON | 770E | — | Yes |
| 248-242 | COMMERCE | 770E | — | Yes |
| 248-294 | PONTIAC | 770E | 2013-10-07 | Yes |
| 248-327 | SOUTHFIELD | 770E | — | Yes |
| 248-529 | MILFDWH LK | 770E | — | Yes |
| 248-572 | OXFORD | 770E | — | Yes |
| 248-573 | SOUTH LYON | 770E | — | Yes |
| 248-590 | BIRMINGHAM | 770E | 2015-11-06 | Yes |
| 248-599 | DRAYTON PL | 770E | 2005-11-16 | Yes |
| 248-629 | ROYAL OAK | 770E | — | Yes |
| 248-631 | BIRMINGHAM | 770E | — | Yes |
| 248-648 | PONTIAC | 770E | — | Yes |
| 248-675 | NORTHVILLE | 770E | — | Yes |
| 248-677 | ROYAL OAK | 770E | — | Yes |
| 248-687 | TROY | 770E | — | Yes |
| 248-688 | TROY | 770E | — | Yes |
| 248-699 | FARMINGTON | 770E | — | Yes |
| 248-713 | ORTONVILLE | 770E | — | Yes |
| 248-732 | PONTIAC | 770E | — | Yes |
| 248-775 | MILFDWH LK | 770E | 2015-03-18 | Yes |
| 248-824 | TROY | 770E | — | Yes |
| 248-829 | AUBURN HTS | 770E | — | Yes |
| 248-836 | PONTIAC | 770E | — | Yes |
| 248-837 | ROYAL OAK | 770E | — | Yes |
| 248-839 | BIRMINGHAM | 770E | 2015-03-27 | Yes |
| 248-841 | ROCHESTER | 770E | — | Yes |
| 248-845 | LAKE ORION | 770E | — | Yes |
| 248-862 | W BLOOMFLD | 770E | — | Yes |
| 248-863 | WALLEDLAKE | 770E | — | Yes |
| 248-925 | TROY | 770E | — | Yes |
| 248-987 | FARMINGTON | 770E | — | 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.