TELEPORT COMMUNICATIONS AMERICA, LLC - MI
11 prefixes in 947 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 947-276 | PONTIAC | 770E | 2024-03-01 | Yes |
| 947-287 | PONTIAC | 770E | 2024-05-20 | Yes |
| 947-294 | BIRMINGHAM | 770E | 2025-08-11 | Yes |
| 947-518 | ROYAL OAK | 770E | 2019-10-30 | Yes |
| 947-519 | ROYAL OAK | 770E | 2019-10-31 | Yes |
| 947-520 | ROYAL OAK | 770E | 2018-12-31 | Yes |
| 947-521 | ROYAL OAK | 770E | 2018-10-08 | Yes |
| 947-522 | ROYAL OAK | 770E | 2018-02-09 | Yes |
| 947-523 | ROYAL OAK | 770E | 2018-12-31 | Yes |
| 947-524 | ROYAL OAK | 770E | 2021-10-05 | Yes |
| 947-881 | SOUTHFIELD | 770E | 2020-08-25 | 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.