What area code is 231?
Here's everything about it.
Instant lookup for the 231 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
231 at a glance
Summary
Cities & regions served by 231
Traverse CityShowing 12 of 20 recorded communities — major cities first.
Where 231 sits on the map
No overlayCoverage area
About the 231 region
231 covers Traverse City in Michigan, including Big Rapids, Boyne City, Cadillac, Charlevoix and Cheboygan. The code has been in service since 1999.
231 currently has no overlay, so its territory keeps a single, unshared code.
Split of 616.
Who called me from 231?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 231 does not prove the caller is really in the 231 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 231 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 231 number below.
Frequently asked questions
FAQWhat area code is 231?+–
231 is a telephone area code serving Traverse City in Michigan, United States, in service since 1999.
Where is area code 231 located?+–
It covers Big Rapids, Boyne City, Cadillac, Charlevoix and Cheboygan in Michigan.
What cities are in area code 231?+–
Major communities on record include Big Rapids, Boyne City, Cadillac, Charlevoix and Cheboygan, among others. The code's territory spans the Traverse City region of Michigan.
What time zone is 231?+–
231 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
When did area code 231 start?+–
231 entered service in 1999. Its history: split of 616.
Is 231 a scam area code?+–
Scam and robocall traffic can use any North American code, 231 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 231 number, and report anything suspicious.
Can I get a 231 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 231 number regardless of where you physically live.