MICHIGAN BELL TEL CO
67 prefixes in 906 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 906-224 | WAKEFIELD | 9323 | — | Yes |
| 906-225 | MARQUETTE | 9323 | — | — |
| 906-226 | MARQUETTE | 9323 | — | — |
| 906-227 | MARQUETTE | 9323 | — | Yes |
| 906-228 | MARQUETTE | 9323 | — | — |
| 906-229 | WAKEFIELD | 9323 | — | Yes |
| 906-233 | ESCANABA | 9323 | — | Yes |
| 906-249 | MARQUETTE | 9323 | — | Yes |
| 906-253 | SALTSTMARI | 9323 | — | Yes |
| 906-264 | MARQUETTE | 9323 | — | Yes |
| 906-265 | IRON RIVER | 9323 | — | Yes |
| 906-289 | KEWEENAW | 9323 | — | Yes |
| 906-292 | BREVORT | 9323 | — | Yes |
| 906-293 | NEWBERRY | 9323 | — | Yes |
| 906-296 | LAKELINDEN | 9323 | — | Yes |
| 906-323 | MICHIGAMME | 9323 | — | Yes |
| 906-337 | CALUMET | 9323 | — | Yes |
| 906-339 | CHAMPION | 9323 | — | Yes |
| 906-345 | BIG BAY | 9323 | — | Yes |
| 906-346 | GWINN | 9323 | — | Yes |
| 906-356 | ROCK | 9323 | — | Yes |
| 906-358 | WATERSMEET | 9323 | — | Yes |
| 906-359 | PERKINS | 9323 | — | Yes |
| 906-372 | GWINN | 9323 | — | Yes |
| 906-376 | REPUBLIC | 9323 | — | Yes |
| 906-384 | CORNELL | 9323 | — | Yes |
| 906-428 | GLADSTONE | 9323 | — | Yes |
| 906-466 | BARK RIVER | 9323 | — | Yes |
| 906-474 | RAPIDRIVER | 9323 | — | Yes |
| 906-475 | NEGAUNEE | 9323 | — | Yes |
| 906-477 | ENGADINE | 9323 | — | Yes |
| 906-482 | HOUGHTON | 9323 | — | — |
| 906-483 | HOUGHTON | 9323 | — | Yes |
| 906-485 | ISHPEMING | 9323 | — | Yes |
| 906-486 | ISHPEMING | 9323 | — | Yes |
| 906-487 | HOUGHTON | 9323 | — | — |
| 906-497 | POWERS | 9323 | — | Yes |
| 906-498 | HERMANSVL | 9323 | — | Yes |
| 906-523 | HOUGHTON | 9323 | — | Yes |
| 906-542 | CHANNING | 9323 | — | Yes |
| 906-563 | NORWAY | 9323 | — | Yes |
| 906-569 | TROUT LAKE | 9323 | — | Yes |
| 906-575 | BERGLAND | 9323 | — | Yes |
| 906-586 | CURTIS | 9323 | — | Yes |
| 906-632 | SALTSTMARI | 9323 | — | — |
| 906-635 | SALTSTMARI | 9323 | — | — |
| 906-643 | ST IGNACE | 9323 | — | Yes |
| 906-661 | AMASA | 9323 | 2001-05-14 | Yes |
| 906-663 | BESSEMER | 9323 | — | Yes |
| 906-667 | BESSEMER | 9323 | — | Yes |
| 906-702 | ISHPEMING | 9323 | 2001-05-14 | Yes |
| 906-753 | STEPHENSON | 9323 | — | Yes |
| 906-774 | IRON MT | 9323 | — | — |
| 906-776 | IRON MT | 9323 | — | Yes |
| 906-779 | IRON MT | 9323 | — | Yes |
| 906-786 | ESCANABA | 9323 | — | — |
| 906-789 | ESCANABA | 9323 | — | — |
| 906-822 | AMASA | 9323 | — | Yes |
| 906-825 | GLADSTONE | 9323 | 2001-05-14 | Yes |
| 906-826 | STEPHENSON | 9323 | 2001-05-14 | Yes |
| 906-847 | MACKINACIS | 9323 | — | Yes |
| 906-863 | MENOMINEE | 9323 | — | — |
| 906-864 | MENOMINEE | 9323 | — | Yes |
| 906-875 | CRYSTALFLS | 9323 | — | Yes |
| 906-932 | IRONWOOD | 9323 | — | — |
| 906-934 | CALUMET | 9323 | 2001-05-14 | Yes |
| 906-970 | NORWAY | 9323 | 2001-05-14 | 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.