Wyoming · Area code
Area Code 307Casper, WY
Area code 307 is in Wyoming, United States, and serves Casper, Cheyenne, Gillette, Jackson and Laramie and other places nearby. Its time zone is Mountain Time.
Area code 307 at a glance
- Area code
- 307
- Main place
- Casper, WY
- State
- Wyoming
- Country
- 🇺🇸 United States
- Country calling code
- +1
- Time zone
- Mountain Time (America/Denver)
- Dial from abroad
- +1 307 XXX XXXX
- Dial inside the US and Canada
- 1 307 XXX XXXX
Cities and places in area code 307
The places phone numbers beginning 307 were issued in, the most common first.
- Casper, WY
- Cheyenne, WY
- Gillette, WY
- Jackson, WY
- Laramie, WY
- Sheridan, WY
- Cody, WY
- Rock Springs, WY
- Afton, WY
- Lander, WY
- Rawlins, WY
- Riverton, WY
- Alpine, WY
- Baggs, WY
- Basin, WY
- Big Piney, WY
- Buffalo, WY
- Douglas, WY
- Dubois, WY
- Evanston, WY
- Glenrock, WY
- Green River, WY
- Greybull, WY
- Kemmerer, WY
- Lovell, WY
- Lusk, WY
- Mountain View, WY
- Newcastle, WY
- Pine Bluffs, WY
- Pinedale, WY
- Powell, WY
- Saratoga, WY
- Sundance, WY
- Thayne, WY
- Thermopolis, WY
- Torrington, WY
- Wheatland, WY
- Worland, WY
Look up a 307 number
Enter a full number with area code 307: it shows the line type, place, network and time zone, and every way to write it. Free and private.
Area code 307: frequently asked questions
Where is area code 307?
Area code 307 is in Wyoming, United States. It serves places including Casper, Cheyenne, Gillette, Jackson, Laramie, Sheridan, Cody and Rock Springs.
What time zone is area code 307 in?
Area code 307 is on Mountain Time. A number with this area code can belong to someone living anywhere, so the time zone tells you where the number was issued rather than where the person is.
Which country is area code 307 in?
Area code 307 belongs to the United States, part of the North American Numbering Plan. Country code +1 is shared by the United States, Canada and many Caribbean and Pacific countries; the area code decides which one a number is in.
How do I call a 307 number from another country?
Dial your country's international access code (or press + on a mobile phone), then 1, then 307, then the seven-digit number: +1 307 followed by the number. Inside the United States and Canada, dial 1 and the ten digits.
Can I tell who is calling from an area code?
No. The area code only shows where a number was first issued. People keep their numbers when they move, mobile numbers work anywhere, and callers can disguise the number they call from. To see what the numbering plan says about a specific number, use the free phone number lookup.