Area code 231 - 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
Area Code 231 - Michigan Cities in Area Code 231 Big Rapids, Cadillac, Greenville, Ludington, Manistee, Muskegon, Muskegon Heights, Norton Shores, Petoskey, Shelby, Traverse City
Area Code 231 phone numbers - Whitepages Browse area code 231 phone numbers, prefixes and exchanges The 231 area code serves Grand Rapids, Traverse City, Muskegon, Mesick, Petoskey, covering 97 ZIP codes in 24 counties
231 area code — information, time zone, map 231 is an area code located in the state of Michigan, US The largest city it serves is Muskegon Find out where 231 area code zone from, which states, counties and cities it covers Get the most exact information on time zones here
Where is Area Code 231? - Radaris Area Code 231 is one of the 325 3-digit telephone area codes in the USA We have roughly 402,489 unique phone numbers and 792,753 individuals near the cities of Muskegon, MI; Norton Shores, MI and Traverse City, MI in the database
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