All assignees
738 prefixes in 989 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 989-300 | MCBRIDES | 543C | 2015-09-16 | Yes |
| 989-301 | HEMLOCK | 6120 | 2006-04-20 | Yes |
| 989-302 | HOUGHTONLK | 2964 | — | Yes |
| 989-303 | ST LOUIS | 6120 | 2006-12-13 | Yes |
| 989-304 | EDMORE | 6003 | 2003-05-27 | Yes |
| 989-305 | EAST TAWAS | 6003 | — | Yes |
| 989-306 | ONAWAY | 6003 | 2003-05-01 | Yes |
| 989-307 | ST JOHNS | 2964 | 2003-05-08 | Yes |
| 989-308 | LINWOOD | 770E | 2010-03-23 | Yes |
| 989-309 | REMUS | 6003 | — | Yes |
| 989-310 | EAST TAWAS | 6534 | — | Yes |
| 989-311 | XXXXXXXXXX | MULT | — | — |
| 989-312 | WESTBRANCH | 6534 | — | Yes |
| 989-313 | PINCONNING | 6003 | 2003-07-09 | Yes |
| 989-314 | STANDISH | 6534 | — | Yes |
| 989-315 | BAD AXE | 5562 | 2001-10-17 | Yes |
| 989-316 | BAY CITY | 9323 | 2007-08-06 | Yes |
| 989-317 | MTPLEASANT | 0127 | 2006-06-01 | Yes |
| 989-318 | BAY CITY | 425J | 2020-06-25 | Yes |
| 989-319 | DURAND | 6120 | 2002-08-19 | Yes |
| 989-320 | SAGINAW | 821C | 2020-03-31 | Yes |
| 989-321 | SAGINAW | 6534 | 2005-09-22 | Yes |
| 989-322 | BAY CITY | 2550 | 2002-08-12 | — |
| 989-323 | CHESANING | 6003 | 2004-04-01 | Yes |
| 989-324 | PINCONNING | 6003 | 2004-04-01 | Yes |
| 989-325 | CARO | 6718 | 2004-08-09 | Yes |
| 989-326 | SAGINAW | 6003 | — | Yes |
| 989-327 | SAGINAW | 516C | 2005-04-06 | Yes |
| 989-328 | SIDNEY | 0695 | — | Yes |
| 989-329 | GLADWIN | 6003 | 2001-04-27 | — |
| 989-330 | MTPLEASANT | 6003 | — | — |
| 989-331 | ALMA | 0695 | 2006-05-02 | Yes |
| 989-332 | SAGINAW | 5562 | 2008-03-03 | Yes |
| 989-333 | FAIRVIEW | 817J | 2001-11-01 | — |
| 989-334 | ROSEBUSH | 993L | 2009-02-17 | Yes |
| 989-335 | LINCOLN | 6003 | 2003-05-01 | Yes |
| 989-336 | ITHACA | 817J | 2003-08-01 | — |
| 989-337 | WEIDMAN | 817J | 2003-08-01 | — |
| 989-338 | CARSONCITY | 543C | 2016-06-30 | Yes |
| 989-339 | FARWELL | 6003 | 2003-06-13 | Yes |
| 989-340 | ALPENA | 792K | 2007-01-22 | Yes |
| 989-341 | SAGINAW | 770E | 2007-08-07 | Yes |
| 989-342 | LEWISTON | 792K | 2007-03-15 | Yes |
| 989-343 | WESTBRANCH | 9323 | — | Yes |
| 989-344 | GRAYLING | 0695 | — | — |
| 989-345 | WESTBRANCH | 9323 | — | — |
| 989-346 | MIO | 7279 | 2020-07-02 | Yes |
| 989-347 | GLADWIN | 817J | 2003-08-01 | — |
| 989-348 | GRAYLING | 0695 | — | — |
| 989-349 | BIRCH RUN | 543C | — | Yes |
| 989-350 | GAYLORD | 6534 | — | — |
| 989-351 | ROGERSCITY | 6534 | 2002-08-27 | Yes |
| 989-352 | LAKEVIEW | 0695 | — | Yes |
| 989-353 | CHESTER | 792K | 2019-04-22 | Yes |
| 989-354 | ALPENA | 0695 | — | — |
| 989-355 | SAGINAW | 543C | 2012-10-22 | Yes |
| 989-356 | ALPENA | 0695 | — | — |
| 989-357 | BAY CITY | 321J | 2020-09-30 | Yes |
| 989-358 | ALPENA | 0695 | — | — |
| 989-359 | GLADWIN | 2964 | 2010-07-07 | Yes |
| 989-360 | HEMLOCK | 543C | 2020-10-23 | Yes |
| 989-361 | AUBURN | 478J | 2020-09-10 | Yes |
| 989-362 | EAST TAWAS | 9323 | — | — |
| 989-363 | MERRILL | 732J | 2022-08-31 | Yes |
| 989-364 | SAGINAW | 515J | 2021-01-28 | Yes |
| 989-365 | SIX LAKES | 0695 | — | Yes |
| 989-366 | HOUGHTONLK | 0695 | — | — |
| 989-367 | CASS CITY | 817J | 2002-01-17 | — |
| 989-368 | HARRISON | 770E | 2012-03-22 | Yes |
| 989-369 | ROBBS CRK | 542D | 2006-10-19 | Yes |
| 989-370 | GAYLORD | 6003 | — | — |
| 989-371 | HARRISON | 2964 | 2021-03-01 | Yes |
| 989-372 | SAGINAW | 991E | 2008-10-07 | Yes |
| 989-373 | OWENDALE | 829J | 2005-03-18 | Yes |
| 989-374 | MIDLAND | 2550 | 2002-08-12 | — |
| 989-375 | ELKTON | 0695 | — | Yes |
| 989-376 | ATLANTA | 543C | 2021-06-25 | Yes |
| 989-377 | BIRCH RUN | 817J | 2003-08-01 | — |
| 989-378 | MIDLAND | 543C | 2023-06-09 | Yes |
| 989-379 | LACHINE | 0695 | — | Yes |
| 989-380 | BAY PORT | 543C | 2021-07-02 | Yes |
| 989-381 | BLANCHARD | 0127 | 2020-11-18 | Yes |
| 989-382 | BARRYTON | 0695 | — | Yes |
| 989-383 | FOWLERPWMO | 6534 | — | Yes |
| 989-384 | SAGINAW | 9748 | — | — |
| 989-385 | SAGINAW | 6003 | — | Yes |
| 989-386 | CLARE | 9323 | — | — |
| 989-387 | GLADWIN | 6003 | 2001-04-27 | — |
| 989-388 | ITHACA | 2550 | 2005-08-31 | Yes |
| 989-389 | ST HELEN | 9323 | — | Yes |
| 989-390 | GRAYLING | 6003 | 2002-07-31 | — |
| 989-391 | BAY CITY | 732J | — | Yes |
| 989-392 | SAGINAW | 6534 | 2008-09-09 | Yes |
| 989-393 | SAGINAW | 817J | 2002-01-17 | — |
| 989-394 | BEAVERTON | 2550 | 2012-05-10 | Yes |
| 989-395 | SAGINAW | 6003 | — | Yes |
| 989-396 | CLARE | 9748 | — | — |
| 989-397 | SAGINAW | 6534 | — | Yes |
| 989-398 | ELSIE | 6120 | 2002-07-29 | Yes |
| 989-399 | SAGINAW | 829J | — | — |
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.