What area code is 307?
Here's everything about it.
Instant lookup for the 307 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
307 at a glance
Summary
Cities & regions served by 307
Statewide Wyoming1 community on record for 307.
Where 307 sits on the map
No overlayCoverage area
About the 307 region
307 covers Statewide Wyoming in Wyoming. The code has been in service since 1947 and is one of the original North American area codes.
307 currently has no overlay, so its territory keeps a single, unshared code.
Who called me from 307?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 307 does not prove the caller is really in the 307 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 307 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 307 number below.
Frequently asked questions
FAQWhat area code is 307?+–
307 is a telephone area code serving Statewide Wyoming in Wyoming, United States, in service since 1947.
Where is area code 307 located?+–
It covers Statewide Wyoming in Wyoming.
What time zone is 307?+–
307 observes Mountain (MT), which is UTC−7 / −6 DST and follows daylight saving time.
When did area code 307 start?+–
307 entered service in 1947 as one of the original 1947 North American area codes.
Is 307 a scam area code?+–
Scam and robocall traffic can use any North American code, 307 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 307 number, and report anything suspicious.
Can I get a 307 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 307 number regardless of where you physically live.