Where is area code 307?
Area code 307 serves Wyoming. It was established in 1947.
Major Cities in Area Code 307
The 307 area code covers Wyoming. Major cities and communities include:
- Cheyenne, Casper, Laramie, Gillette, Jackson
History of Area Code 307
Area code 307 was established in 1947 and serves Wyoming.
Nearby Area Codes
Related area codes near 307:
Common 307 Scam Patterns
Government Impersonation
Scammers pretending to be from IRS, Social Security, or local authorities
Common prefixes: 800, 888, 877
- Threatening immediate arrest
- Demanding immediate payment
- Requesting gift cards or wire transfers
Auto Warranty Scams
Automated calls about extended car warranties
Common prefixes: 833, 844, 855
- Pre-recorded messages
- Urgent warranty expiration claims
- Pressure to provide vehicle information
Tech Support Fraud
Fake technical support calls claiming computer problems
Common prefixes: 866, 877, 888
- Claims of detected viruses
- Requests for remote computer access
- Microsoft/Apple impersonation
Legitimate Callers From 307
Government
Utilities
- — Service and billing notifications
Healthcare
- — Appointment reminders and follow-ups
Wyoming Authorities & Reporting
- Police: (307) 637-6525 (Cheyenne Police Department)
- Consumer protection: (307) 777-7741 (Wyoming Attorney General's Office)
- Fraud unit: (307) 777-4520 (Wyoming Division of Criminal Investigation)
- Emergency: 911, (307) 432-2121 (Laramie County Sheriff's Office)
Immediate steps if you suspect a scam:
- Document the call details
- Report to FTC at ftc.gov/complaint
- Contact local authorities
- Alert your bank if needed
Frequently Asked Questions
Where is the 307 area code?
The 307 area code serves Wyoming. Major cities include Cheyenne, Casper, Laramie, Gillette, Jackson. It was established in 1947.
Is the 307 area code a scam?
The 307 area code itself is legitimate — it covers Wyoming. But scammers spoof local numbers: 3,513 scams were reported in 2023, with common types including utility 24%, government 21%, banking 26%, other 30%. Always verify unknown callers.
What time zone is area code 307?
Area code 307 is in the Mountain Time (MT).
How do I report a scam call from 307?
Report scam calls to the FTC at reportfraud.ftc.gov, the FCC, and (307) 777-7741 (Wyoming Attorney General's Office). For Wyoming, contact (307) 777-4520 (Wyoming Division of Criminal Investigation) to file a complaint.
How can I protect myself from 307 area code spam calls?
Block unknown numbers, use caller ID / spam-blocking apps, never share personal info with unsolicited callers, and verify callers through official channels. CyberForget's phone tools help check whether a number is linked to known scams.
Worried about a call from 307?
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