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
231-365	Cheboygan	Landline	Active
231-366	Muskegon	Landline	Active
231-368	Lake	Landline	Active
231-369	Kalkaska	Landline	Active
231-372	Osceola	Landline	Active
231-373	Emmet	Cell Number	Active
231-375	Muskegon	Landline	Active
231-377	Antrim	Landline	Active
231-378	Benzie	Landline	Active
231-382	Wexford	Cell Number	Active
231-383	Benzie	Cell Number	Active
231-384	Kalkaska	Cell Number	Active
231-386	Leelanau	Landline	Active
231-388	Osceola	Cell Number	Active
231-389	Wexford	Landline	Active
231-392	Grand Traverse	Landline	Active
231-394	Missaukee	Cell Number	Active
231-395	Newaygo	Landline	Active
231-398	Manistee	Landline	Active
231-399	Benzie	Landline	Active

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