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. The PeopleSearchNow database has 1,647,506 records on file with a phone number in the area code of (231). Below, are the major cities in the area code (231).
Area Codes Starting with 2
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
- 49307
- 49337
- 49412
- 49431
- 49441
- 49441
- 49442
- 49444
- 49444
- 49445
- 49457
- 49461
- 49601
- 49660
- 49684
- 49685
- 49686
- 49696
- 49721
- 49770