All assignees
738 prefixes in 989 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 989-500 | FENWICK | 543C | 2015-09-16 | Yes |
| 989-501 | SAGINAW | 2964 | — | Yes |
| 989-502 | FRANKENMTH | 543C | 2010-12-23 | Yes |
| 989-503 | HIGGINS LK | 6534 | — | Yes |
| 989-504 | ST CHARLES | 543C | 2021-06-25 | Yes |
| 989-505 | GAYLORD | 5562 | 2021-02-23 | Yes |
| 989-506 | MTPLEASANT | 6003 | — | — |
| 989-507 | ROSE CITY | 817J | 2002-04-22 | — |
| 989-508 | STANTON | 543C | 2021-06-25 | Yes |
| 989-509 | BAY CITY | 817J | — | — |
| 989-510 | PRESCOTT | 6534 | — | Yes |
| 989-511 | XXXXXXXXXX | MULT | — | — |
| 989-512 | STANDISH | 817J | 2001-11-01 | — |
| 989-513 | MIDLAND | 6003 | 2002-07-19 | Yes |
| 989-514 | STERLING | 6534 | — | Yes |
| 989-515 | ONAWAY | 6120 | 2022-01-25 | Yes |
| 989-516 | WESTBRANCH | 817J | 2001-11-01 | — |
| 989-518 | OWOSSO | 6003 | 2025-03-06 | Yes |
| 989-519 | GLADWIN | 543C | 2023-07-28 | Yes |
| 989-520 | ALGER | 6534 | — | Yes |
| 989-521 | ROGERSCITY | 817J | 2001-12-05 | — |
| 989-522 | SAGINAW | 2964 | 2010-07-06 | Yes |
| 989-523 | BAD AXE | 543C | 2023-07-28 | Yes |
| 989-524 | STERLING | 817J | 2002-04-22 | — |
| 989-525 | SAGINAW | 829J | 2005-08-18 | Yes |
| 989-527 | LEWISTON | 624H | 2023-05-01 | Yes |
| 989-528 | AKRON | 6534 | — | Yes |
| 989-529 | SAGINAW | 2964 | 2002-04-22 | Yes |
| 989-530 | AKRON | 2550 | 2002-08-12 | — |
| 989-531 | BAY CITY | 616J | 2024-10-16 | Yes |
| 989-532 | AU GRES | 817J | 2004-12-06 | — |
| 989-533 | ALMA | 6120 | 2002-07-29 | Yes |
| 989-534 | ST JOHNS | 5562 | 2001-11-29 | Yes |
| 989-535 | ITHACA | 2964 | 2024-02-21 | Yes |
| 989-536 | REESE | 6534 | 2025-09-08 | Yes |
| 989-537 | PINCONNING | 6003 | — | Yes |
| 989-538 | HOUGHTONLK | 6534 | — | Yes |
| 989-539 | HARRISON | 9323 | — | — |
| 989-540 | LAKEVIEW | 817J | 2001-11-14 | — |
| 989-541 | DURAND | 0695 | 2001-11-29 | Yes |
| 989-542 | FENWICK | 817J | 2001-11-14 | — |
| 989-543 | SAGINAW | 700J | 2026-01-08 | Yes |
| 989-544 | FARWELL | 9323 | — | Yes |
| 989-545 | BAY CITY | 6003 | 2008-08-21 | Yes |
| 989-546 | MTPLEASANT | 6120 | 2002-07-23 | Yes |
| 989-547 | PINCONNING | 6003 | 2026-08-28 | Yes |
| 989-548 | MAYVILLE | 817J | 2001-12-05 | — |
| 989-549 | PIGEON | 6718 | 2002-04-01 | — |
| 989-550 | PIGEON | 6718 | — | — |
| 989-551 | PIGEON | 6718 | — | — |
| 989-552 | CLIFFORD | 817J | 2001-12-05 | — |
| 989-553 | PIGEON | 6718 | — | — |
| 989-554 | MIDLAND | 2964 | 2025-08-22 | Yes |
| 989-555 | DIR ASST | MULT | — | — |
| 989-557 | HIGGINS LK | 543C | 2021-01-08 | Yes |
| 989-558 | SAGINAW | 197D | 2018-03-09 | Yes |
| 989-559 | CASS CITY | 543C | 2014-10-06 | Yes |
| 989-560 | MTPLEASANT | 6534 | — | — |
| 989-561 | BLANCHARD | 0678 | — | — |
| 989-562 | SAGINAW | 883K | 2026-03-30 | Yes |
| 989-563 | ROSCOMMON | 817J | 2001-11-01 | — |
| 989-564 | LINWOOD | 516C | 2010-12-07 | Yes |
| 989-565 | EDMORE | 6534 | 2002-05-20 | Yes |
| 989-566 | MAYVILLE | 516J | 2022-02-22 | Yes |
| 989-567 | SHEPHERD | 6120 | 2002-07-29 | Yes |
| 989-568 | ASHLEY | 2550 | 2002-08-12 | — |
| 989-569 | OSCODA | 6120 | 2001-11-28 | Yes |
| 989-571 | VASSAR | 2550 | 2002-08-12 | — |
| 989-572 | MTPLEASANT | 993L | — | Yes |
| 989-573 | FREELAND | 6003 | — | Yes |
| 989-574 | SAGINAW | 6003 | — | Yes |
| 989-575 | AKRON | 516C | 2009-12-22 | Yes |
| 989-576 | ALMA | 6534 | — | Yes |
| 989-577 | SAGINAW | 543C | — | Yes |
| 989-578 | GLADWIN | 6003 | — | Yes |
| 989-579 | ST JOHNS | 817J | 2001-11-14 | — |
| 989-581 | OVID | 0695 | 2001-11-29 | Yes |
| 989-582 | KINDE | 6534 | 2002-08-30 | Yes |
| 989-583 | SAGINAW | 9323 | — | — |
| 989-584 | CARSONCITY | 0695 | — | Yes |
| 989-585 | BRANT | 0671 | — | Yes |
| 989-586 | MAPLE RPD | 624H | 2023-05-01 | Yes |
| 989-587 | WESTPHALIA | 0735 | — | Yes |
| 989-588 | FARWELL | 9323 | — | Yes |
| 989-589 | CARO | 543C | 2018-09-25 | Yes |
| 989-590 | ALPENA | 6003 | — | Yes |
| 989-591 | ALPENA | 6630 | — | — |
| 989-593 | FOWLERPWMO | 0695 | — | Yes |
| 989-594 | GAYLORD | 6630 | — | — |
| 989-595 | LONG LAKE | 0695 | — | Yes |
| 989-596 | SAGINAW | 2550 | 2002-08-12 | — |
| 989-598 | SAGINAW | 6003 | — | Yes |
| 989-599 | SAGINAW | 6003 | — | Yes |
| 989-600 | MIDLAND | 6003 | 2001-09-19 | — |
| 989-601 | ITHACA | 6534 | — | Yes |
| 989-603 | ALPENA | 9748 | — | — |
| 989-605 | AUBURN | 2550 | 2002-08-12 | — |
| 989-607 | SAGINAW | 6120 | 2002-05-14 | Yes |
| 989-610 | SAGINAW | 9748 | — | — |
| 989-611 | XXXXXXXXXX | MULT | — | — |
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.