Area code 307
307 is Cheyenne, Casper, Laramie, Wyoming.
Area code 307 at a glance
- State
- Wyoming
- Main cities
- Cheyenne, Casper, Laramie, Gillette, Rock Springs, Sheridan, Jackson
- Time zone
- Mountain Time
- Local time now
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- Overlay codes
- No overlay — 307 is the only area code here.
- In service since
- 1947
Get a 307 number
Rent a real 307 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
$3.90/month
Available now
- +1 307 318 1212
- +1 307 207 8982
- +1 307 939 8216
- +1 307 296 0663
- +1 307 209 5716
Call a 307 number from abroad
Call any 307 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 307 from inside the US or Canada
Dial 1, then 307, then the 7-digit number.
Calling a 307 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 307?
Area code 307 covers Cheyenne, Casper, Laramie in Wyoming.
What time is it in area code 307?
Area code 307 is in the Mountain Time time zone. See the live clock above for the current local time.
How do I get an area code 307 phone number?
Sign up for QuikRing and rent one of the available 307 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 307 from abroad?
Calls to United States numbers, including area code 307, start at $0.02/min with QuikRing — no roaming plan or SIM needed.