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231 Area Code Phone Directory

Phone Prefixes in the 231 Area Code

(231) 2XX (231) 3XX (231) 4XX (231) 5XX (231) 6XX (231) 7XX (231) 8XX (231) 9XX

Information for Area Code 231

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).

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

48838

49303

49304

49307

49309

49312

49318

49320

49322

49327

49329

49332

49336

49337

49338

49339

49342

49346

49347

49349

49402