FRONTIER NORTH, INC. - MI
91 prefixes in 989 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 989-224 | ST JOHNS | 0695 | — | — |
| 989-227 | ST JOHNS | 0695 | — | Yes |
| 989-236 | MIDDLETON | 0695 | — | Yes |
| 989-248 | FENWICK | 0695 | — | Yes |
| 989-268 | VESTABURG | 0695 | — | Yes |
| 989-271 | GAINES | 0695 | — | Yes |
| 989-275 | ROSCOMMON | 0695 | — | — |
| 989-288 | DURAND | 0695 | — | — |
| 989-291 | SHERIDAN | 0695 | — | Yes |
| 989-328 | SIDNEY | 0695 | — | Yes |
| 989-331 | ALMA | 0695 | 2006-05-02 | Yes |
| 989-344 | GRAYLING | 0695 | — | — |
| 989-348 | GRAYLING | 0695 | — | — |
| 989-352 | LAKEVIEW | 0695 | — | Yes |
| 989-354 | ALPENA | 0695 | — | — |
| 989-356 | ALPENA | 0695 | — | — |
| 989-358 | ALPENA | 0695 | — | — |
| 989-365 | SIX LAKES | 0695 | — | Yes |
| 989-366 | HOUGHTONLK | 0695 | — | — |
| 989-375 | ELKTON | 0695 | — | Yes |
| 989-379 | LACHINE | 0695 | — | Yes |
| 989-382 | BARRYTON | 0695 | — | Yes |
| 989-409 | ALMA | 0695 | 2015-04-23 | Yes |
| 989-422 | HOUGHTONLK | 0695 | — | Yes |
| 989-427 | EDMORE | 0695 | — | Yes |
| 989-463 | ALMA | 0695 | — | — |
| 989-466 | ALMA | 0695 | — | — |
| 989-471 | OSSINEKE | 0695 | — | Yes |
| 989-479 | HARBOR BCH | 0695 | — | Yes |
| 989-541 | DURAND | 0695 | 2001-11-29 | Yes |
| 989-581 | OVID | 0695 | 2001-11-29 | Yes |
| 989-584 | CARSONCITY | 0695 | — | Yes |
| 989-593 | FOWLERPWMO | 0695 | — | Yes |
| 989-595 | LONG LAKE | 0695 | — | Yes |
| 989-634 | BANCROFT | 0695 | — | Yes |
| 989-637 | PALO | 0695 | — | Yes |
| 989-642 | HEMLOCK | 0695 | — | Yes |
| 989-643 | MERRILL | 0695 | — | Yes |
| 989-644 | WEIDMAN | 0695 | — | Yes |
| 989-675 | SIDNEY | 0695 | 2001-11-29 | Yes |
| 989-681 | ST LOUIS | 0695 | — | Yes |
| 989-682 | MAPLE RPD | 0695 | — | Yes |
| 989-683 | KINGSTON | 0695 | — | Yes |
| 989-705 | GAYLORD | 0695 | — | Yes |
| 989-723 | OWOSSO | 0695 | — | — |
| 989-724 | HARRISVL | 0695 | — | Yes |
| 989-725 | OWOSSO | 0695 | — | — |
| 989-727 | HUBBARD LK | 0695 | — | Yes |
| 989-729 | OWOSSO | 0695 | — | — |
| 989-731 | GAYLORD | 0695 | — | — |
| 989-732 | GAYLORD | 0695 | — | — |
| 989-733 | ONAWAY | 0695 | — | Yes |
| 989-734 | ROGERSCITY | 0695 | — | Yes |
| 989-736 | LINCOLN | 0695 | — | Yes |
| 989-742 | HILLMAN | 0695 | — | Yes |
| 989-743 | OWOSSO | 0695 | — | Yes |
| 989-745 | GRAYLING | 0695 | 2001-11-29 | Yes |
| 989-749 | ELSIE | 0695 | 2001-11-29 | Yes |
| 989-760 | ALMA | 0695 | 2001-11-30 | Yes |
| 989-761 | CLIFFORD | 0695 | — | Yes |
| 989-762 | MCBRIDES | 0695 | — | Yes |
| 989-766 | POSEN | 0695 | — | Yes |
| 989-772 | MTPLEASANT | 0695 | — | — |
| 989-773 | MTPLEASANT | 0695 | — | — |
| 989-774 | MTPLEASANT | 0695 | — | — |
| 989-775 | MTPLEASANT | 0695 | — | — |
| 989-779 | MTPLEASANT | 0695 | — | — |
| 989-783 | ROSCOMMON | 0695 | 2001-11-29 | Yes |
| 989-785 | ATLANTA | 0695 | — | Yes |
| 989-786 | LEWISTON | 0695 | — | Yes |
| 989-813 | HUBBARDSTN | 0695 | 2001-11-29 | Yes |
| 989-817 | MTPLEASANT | 0695 | 2001-11-29 | Yes |
| 989-821 | HIGGINS LK | 0695 | — | Yes |
| 989-826 | MIO | 0695 | — | Yes |
| 989-828 | SHEPHERD | 0695 | — | Yes |
| 989-831 | STANTON | 0695 | — | Yes |
| 989-833 | RIVERDALE | 0695 | — | Yes |
| 989-834 | OVID | 0695 | — | Yes |
| 989-838 | POMPEII | 0695 | — | Yes |
| 989-842 | BRECKENRDG | 0695 | — | Yes |
| 989-847 | ASHLEY | 0695 | — | Yes |
| 989-848 | FAIRVIEW | 0695 | — | Yes |
| 989-855 | MUIR | 0695 | — | Yes |
| 989-856 | CASEVILLE | 0695 | — | Yes |
| 989-862 | ELSIE | 0695 | — | Yes |
| 989-864 | MINDENCITY | 0695 | — | Yes |
| 989-872 | CASS CITY | 0695 | — | — |
| 989-875 | ITHACA | 0695 | — | Yes |
| 989-967 | REMUS | 0695 | — | Yes |
| 989-981 | HUBBARDSTN | 0695 | — | Yes |
| 989-983 | VANDERBILT | 0695 | — | 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.