Area Code 231

Area Code 231 information.

Area Code 231 Details
Country	United States
State/Province	Michigan
Major City	Muskegon
Time Zone	Eastern (UTC-05:00)

Area Code 231 Prefixes

Prefix	County	Phone Type	Status
231-631	Grand Traverse	Cell Number	Active
231-632	Grand Traverse	Landline	Active
231-633	Grand Traverse	Landline	Active
231-634	Cheboygan	Landline	Active
231-635	Emmet	Landline	Active
231-636	Montcalm	Landline	Active
231-637	Leelanau	Landline	Active
231-638	Muskegon	Landline	Active
231-639	Benzie	Landline	Active
231-640	Benzie	Cell Number	Active
231-642	Grand Traverse	Landline	Active
231-643	Mecosta	Landline	Active
231-644	Manistee	Landline	Active
231-645	Grand Traverse	Landline	Active
231-646	Antrim	Landline	Active
231-647	Montcalm	Landline	Active
231-648	Montcalm	Landline	Active
231-649	Grand Traverse	Cell Number	Active
231-651	Benzie	Cell Number	Active
231-652	Newaygo	Landline	Active

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