MICHIGAN BELL TEL CO
88 prefixes in 989 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 989-246 | GLADWIN | 9323 | — | Yes |
| 989-249 | SAGINAW | 9323 | — | Yes |
| 989-269 | BAD AXE | 9323 | — | Yes |
| 989-298 | SAGINAW | 9323 | — | — |
| 989-316 | BAY CITY | 9323 | 2007-08-06 | Yes |
| 989-343 | WESTBRANCH | 9323 | — | Yes |
| 989-345 | WESTBRANCH | 9323 | — | — |
| 989-362 | EAST TAWAS | 9323 | — | — |
| 989-386 | CLARE | 9323 | — | — |
| 989-389 | ST HELEN | 9323 | — | Yes |
| 989-426 | GLADWIN | 9323 | — | — |
| 989-433 | ROSEBUSH | 9323 | — | Yes |
| 989-435 | BEAVERTON | 9323 | — | Yes |
| 989-465 | COLEMAN | 9323 | — | Yes |
| 989-495 | MIDLAND | 9323 | — | Yes |
| 989-496 | MIDLAND | 9323 | — | — |
| 989-497 | SAGINAW | 9323 | — | Yes |
| 989-498 | SAGINAW | 9323 | — | Yes |
| 989-539 | HARRISON | 9323 | — | — |
| 989-544 | FARWELL | 9323 | — | Yes |
| 989-583 | SAGINAW | 9323 | — | — |
| 989-588 | FARWELL | 9323 | — | Yes |
| 989-624 | BIRCH RUN | 9323 | — | Yes |
| 989-631 | MIDLAND | 9323 | — | — |
| 989-633 | MIDLAND | 9323 | — | — |
| 989-636 | MIDLAND | 9323 | — | — |
| 989-638 | MIDLAND | 9323 | — | — |
| 989-652 | FRANKENMTH | 9323 | — | — |
| 989-656 | BAY PORT | 9323 | — | Yes |
| 989-658 | UBLY | 9323 | — | Yes |
| 989-662 | AUBURN | 9323 | — | Yes |
| 989-665 | GAGETOWN | 9323 | — | Yes |
| 989-667 | BAY CITY | 9323 | — | — |
| 989-671 | BAY CITY | 9323 | — | Yes |
| 989-674 | UNIONVILLE | 9323 | — | Yes |
| 989-678 | OWENDALE | 9323 | — | Yes |
| 989-684 | BAY CITY | 9323 | — | — |
| 989-686 | BAY CITY | 9323 | — | — |
| 989-691 | AKRON | 9323 | — | Yes |
| 989-692 | FREELAND | 9323 | — | Yes |
| 989-693 | FAIRGROVE | 9323 | — | Yes |
| 989-695 | FREELAND | 9323 | — | Yes |
| 989-697 | LINWOOD | 9323 | — | Yes |
| 989-718 | STANDISH | 9323 | 2001-11-28 | Yes |
| 989-739 | OSCODA | 9323 | — | — |
| 989-746 | SAGINAW | 9323 | — | Yes |
| 989-747 | OSCODA | 9323 | — | Yes |
| 989-752 | SAGINAW | 9323 | — | — |
| 989-753 | SAGINAW | 9323 | — | — |
| 989-754 | SAGINAW | 9323 | — | — |
| 989-755 | SAGINAW | 9323 | — | — |
| 989-757 | SAGINAW | 9323 | — | Yes |
| 989-758 | SAGINAW | 9323 | — | Yes |
| 989-759 | SAGINAW | 9323 | — | Yes |
| 989-770 | SAGINAW | 9323 | — | Yes |
| 989-771 | SAGINAW | 9323 | — | Yes |
| 989-776 | SAGINAW | 9323 | — | Yes |
| 989-777 | SAGINAW | 9323 | — | — |
| 989-781 | SAGINAW | 9323 | — | — |
| 989-790 | SAGINAW | 9323 | — | — |
| 989-791 | SAGINAW | 9323 | — | — |
| 989-792 | SAGINAW | 9323 | — | — |
| 989-793 | SAGINAW | 9323 | — | — |
| 989-797 | SAGINAW | 9323 | — | — |
| 989-799 | SAGINAW | 9323 | — | — |
| 989-802 | CLARE | 9323 | — | Yes |
| 989-823 | VASSAR | 9323 | — | Yes |
| 989-830 | SAGINAW | 9323 | — | — |
| 989-832 | MIDLAND | 9323 | — | — |
| 989-835 | MIDLAND | 9323 | — | — |
| 989-837 | MIDLAND | 9323 | — | — |
| 989-839 | MIDLAND | 9323 | — | — |
| 989-843 | MAYVILLE | 9323 | — | Yes |
| 989-846 | STANDISH | 9323 | — | Yes |
| 989-865 | ST CHARLES | 9323 | — | Yes |
| 989-868 | REESE | 9323 | — | Yes |
| 989-870 | SAGINAW | 9323 | — | — |
| 989-883 | SEBEWAING | 9323 | — | Yes |
| 989-890 | SAGINAW | 9323 | — | Yes |
| 989-891 | BAY CITY | 9323 | — | Yes |
| 989-892 | BAY CITY | 9323 | — | — |
| 989-893 | BAY CITY | 9323 | — | — |
| 989-894 | BAY CITY | 9323 | — | — |
| 989-895 | BAY CITY | 9323 | — | — |
| 989-907 | SAGINAW | 9323 | — | Yes |
| 989-918 | UNIONVILLE | 9323 | 2001-11-28 | Yes |
| 989-964 | SAGINAW | 9323 | 2001-08-28 | Yes |
| 989-984 | EAST TAWAS | 9323 | — | 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.