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.
231 Area Code - Location map, time zone, and phone lookup
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 - Map, time zone, and phone lookup - CallerCenter
About area code 231: location, common spam callers, related area codes, and more. Includes 231 reverse phone lookup to identify spam callers.
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 …
Area Code 231 Scams & Spam Calls (2025 Update) - ThisNumber
Area Code 231 Scams and Spam Calls The 231 area code is seeing a rise in Social Security legal threats and fake debt collector calls. Scammers claim you owe money and will be sued if you …
231 area code — information, time zone, map
Mar 9, 2025 · 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 …
231 Area Code - Map, Phone Lookup, Time Zone - Wirefly
Find 231 area code details including city, time zone, and map. Lookup area code 231 phone number, name, and location.
231 Area Code: Location, Cities, Time Zone, and History
Sep 16, 2025 · If you’ve seen a 231 number pop up on your phone, are planning a move, or want a local number for your business, this guide explains where the 231 area code is, which cities …
231 Area Code, Michigan, United States - Location map, time …
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 …
231 Area Code ☎️ Location, Time Zone & Phone Lookup
The 231 Area Code is located in the state of Michigan. Area Code 231 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 5,729,862 unique phone numbers …