Area Code: 231
231 Area Code belongs to the state of Michigan. The following cities fall under this area code: Muskegon, Norton Shores, Shelby. There have been a total of 11976 Numbers for this area code.
Numbers for 231
| Number | Comments |
|---|---|
| 231-216-1421 | 0 |
| 231-304-9872 | 0 |
| 231-259-9542 | 0 |
| 231-259-4556 | 0 |
| 231-273-3257 | 0 |
| 231-221-8815 | 0 |