231 Area Code Information
State: MI
Largest City in Area: MUSKEGON
Where is Area Code 231? Area code (231) is in the state of MI. Below, are the major cities in the area code (231).
Major Cities in 231
- MUSKEGON, MI (374,784)
- TRAVERSE CITY, MI (240,808)
- NORTON SHORES, MI (130,142)
- GRAND RAPIDS, MI (116,290)
- CADILLAC, MI (77,035)
- PETOSKEY, MI (68,942)
- BIG RAPIDS, MI (65,294)
- LUDINGTON, MI (61,106)
- TWIN LAKE, MI (60,927)
- NEWAYGO, MI (50,233)
Zip Codes in 231
- 48838
- 49303
- 49304
- 49307
- 49309
- 49312
- 49318
- 49320
- 49322
- 49327
- 49329
- 49332
- 49336
- 49337
- 49338
- 49339
- 49342
- 49346
- 49347
- 49349