Area code 231
Area code in Michigan, United States
Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan.
Nº Q4788558 ★
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Area code 231
Area code in Michigan, United States
Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan.
On the map
From Wikipedia
Area code 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan.
Text: Wikipédia, CC BY-SA 4.0. · Image: Drdpw (CC BY-SA 3.0) ·
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