All assignees
225 prefixes in 947 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 947-886 | PONTIAC | 318J | 2018-04-17 | Yes |
| 947-888 | CLARKSTON | 543C | 2015-08-19 | Yes |
| 947-895 | SOUTHFIELD | 506J | 2021-05-06 | Yes |
| 947-900 | SOUTHFIELD | 965H | 2019-07-18 | Yes |
| 947-911 | XXXXXXXXXX | MULT | — | — |
| 947-913 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-938 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-939 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-941 | ROYAL OAK | 543C | 2020-06-23 | Yes |
| 947-944 | FARMINGTON | 5562 | 2021-10-07 | Yes |
| 947-948 | SOUTHFIELD | 5562 | 2022-08-23 | Yes |
| 947-950 | — | — | ||
| 947-955 | PONTIAC | 5562 | 2021-10-06 | Yes |
| 947-956 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-957 | PONTIAC | 543C | 2020-09-17 | Yes |
| 947-958 | — | — | ||
| 947-959 | — | — | ||
| 947-970 | ORTONVILLE | 6003 | 2006-03-28 | Yes |
| 947-976 | — | — | ||
| 947-985 | SOUTHFIELD | 933G | 2018-10-19 | Yes |
| 947-987 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-994 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-996 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-997 | SOUTHFIELD | 5562 | 2022-09-21 | Yes |
| 947-999 | PONTIAC | 543C | 2015-09-29 | 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.