Information for Area Code 231

231 Area Code belongs to the Michigan (MI) State.

Other cities in the 231 Area Code.

Big Rapids, Cadillac, Greenville, Ludington, Manistee, Muskegon, Petoskey, Shelby, Traverse City

Michigan (MI) also shares with these area codes:

| 231
| 248
| 269
| 313
| 517
| 586
| 616
| 734
| 810
| 906
| 947
| 989
     

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