All assignees
225 prefixes in 947 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 947-300 | CLARKSTON | 965H | 2019-12-18 | Yes |
| 947-301 | FARMINGTON | 6534 | 2026-02-25 | Yes |
| 947-302 | FARMINGTON | 6534 | 2026-02-25 | Yes |
| 947-303 | FARMINGTON | 6534 | 2026-09-01 | Yes |
| 947-309 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-311 | XXXXXXXXXX | MULT | — | — |
| 947-313 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-326 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-327 | ORTONVILLE | 516J | 2021-04-12 | Yes |
| 947-333 | LAKE ORION | 543C | 2015-09-29 | Yes |
| 947-334 | BIRMINGHAM | 516J | 2022-01-25 | Yes |
| 947-336 | NORTHVILLE | 965H | 2021-04-02 | Yes |
| 947-339 | NORTHVILLE | 516J | 2022-02-24 | Yes |
| 947-344 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-345 | OXFORD | 965H | 2021-02-19 | Yes |
| 947-348 | SOUTH LYON | 965H | 2021-04-02 | Yes |
| 947-361 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-362 | SOUTH LYON | 516J | 2022-01-11 | Yes |
| 947-363 | FARMINGTON | 6534 | 2025-06-20 | Yes |
| 947-366 | FARMINGTON | 516J | 2021-03-02 | Yes |
| 947-376 | TROY | 516J | 2021-04-08 | Yes |
| 947-381 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-387 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-399 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-400 | W BLOOMFLD | 965H | 2020-04-29 | Yes |
| 947-411 | XXXXXXXXXX | MULT | — | — |
| 947-414 | PONTIAC | 6534 | 2017-03-08 | Yes |
| 947-419 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-420 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-426 | SOUTHFIELD | 516J | 2022-01-07 | Yes |
| 947-428 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-433 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-436 | TROY | 516J | 2022-01-27 | Yes |
| 947-444 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-447 | ROCHESTER | 939H | — | Yes |
| 947-456 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-465 | COMMERCE | 6534 | 2017-11-01 | Yes |
| 947-466 | MILFDWH LK | 516J | 2022-01-11 | Yes |
| 947-470 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-479 | ROCHESTER | 543C | 2020-12-17 | Yes |
| 947-485 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-489 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-500 | PONTIAC | 965H | 2019-12-19 | Yes |
| 947-505 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-509 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-511 | XXXXXXXXXX | MULT | — | — |
| 947-517 | SOUTHFIELD | 6003 | 2006-02-01 | 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 |
| 947-529 | BIRMINGHAM | 965H | 2021-11-24 | Yes |
| 947-539 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-546 | WALLEDLAKE | 516J | 2022-02-25 | Yes |
| 947-550 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-555 | DIR ASST | MULT | — | — |
| 947-566 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-570 | MILFDWH LK | 817J | 2006-02-01 | Yes |
| 947-577 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-600 | NORTHVILLE | 965H | 2019-12-18 | Yes |
| 947-611 | XXXXXXXXXX | MULT | — | — |
| 947-616 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-622 | LAKE ORION | 991E | 2019-02-08 | Yes |
| 947-630 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-666 | MILFDWH LK | 543C | 2016-04-25 | Yes |
| 947-678 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-700 | — | — | ||
| 947-711 | XXXXXXXXXX | MULT | — | — |
| 947-722 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-729 | ROYAL OAK | 5562 | 2021-10-15 | Yes |
| 947-733 | DRAYTON PL | 5562 | 2022-05-13 | Yes |
| 947-740 | ORTONVILLE | 6003 | 2005-10-21 | Yes |
| 947-744 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-749 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-750 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-755 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-757 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-762 | ORTONVILLE | 6003 | 2006-03-28 | Yes |
| 947-768 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-770 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-777 | MILFDWH LK | 543C | 2015-06-16 | Yes |
| 947-800 | COMMERCE | 543C | 2015-09-29 | Yes |
| 947-811 | XXXXXXXXXX | MULT | — | — |
| 947-813 | NORTHVILLE | 2964 | 2022-08-08 | Yes |
| 947-823 | CLARKSTON | 6003 | 2006-06-02 | Yes |
| 947-829 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-830 | ORTONVILLE | 6003 | 2006-03-28 | Yes |
| 947-837 | W BLOOMFLD | 516J | 2022-01-07 | Yes |
| 947-844 | CLARKSTON | 6003 | 2005-07-13 | Yes |
| 947-851 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-853 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-859 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-862 | ORTONVILLE | 6003 | 2005-03-04 | Yes |
| 947-867 | CLARKSTON | 6003 | 2006-01-26 | Yes |
| 947-881 | SOUTHFIELD | 770E | 2020-08-25 | Yes |
| 947-882 | ORTONVILLE | 6003 | 2006-03-29 | Yes |
| 947-885 | CLARKSTON | 6003 | 2006-06-02 | 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.