Where is area code 231? Area code 231 is located in northwestern Michigan and covers Muskegon, Norton Shores, and Traverse City. It is the only area code that serves the area.

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.

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 …

4 days ago · 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 …

The 231 area code is serving the northwestern portion of the Lower Peninsula in the U.S. state of Michigan. To start a free reverse phone lookup, simply enter the full 10-digit number (including …

Find 231 area code details including city, time zone, and map. Lookup area code 231 phone number, name, and location.

Area code 231 serves northwestern Lower Michigan, including cities such as Muskegon, Traverse City, Ludington, and Petoskey. It was established in 1999 from a split of area code 616 to …

Fixed phone numbers in the United States, state Michigan (area code 231) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a …

Area Code 231 is one of the area codes in Michigan. It was created on October 1, 1997, and it serves the northwestern part of the Lower Peninsula. 231 was formed by splitting the area …

About area code 231: location, common spam callers, related area codes, and more. Includes 231 reverse phone lookup to identify spam callers.