Area code 307 is the telephone area code in the North American Numbering Plan for the entire U.S. state of Wyoming. It is one of the 86 original North American area codes created by the American Telephone and Telegraph Company (AT&T) in 1947.

Browse area code 307 phone numbers, prefixes and exchanges. The 307 area code serves Cheyenne, Mountain View, Casper, Basin, Rock Springs, covering 83 ZIP codes in 33 counties.

Wyoming area codes map gives information about all the area codes of Wyoming state along with their counties list.

Jan 2, 2025 · Below are the list Wyoming state area codes by city and county listed by alphabetical order. Find Wyoming area codes by city or lookup which cities belong to an area code.

Area code 307 serves the state of Wyoming. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 307 is a General Purpose Code. Dialing pattern for …

There are 1 active area codes in the state of Wyoming. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Wyoming. The first table below …

Area codes list for the United States, state Wyoming. Reverse phone lookup, search by area code or region. Local time and map of Wyoming.

Quickly find the city and location associated with any Wyoming phone number using our easy lookup tool. Search by number to verify, identify the origin, or get your own Wyoming number instantly! View results on a detailed map.

Find Wyoming area codes by city or lookup which cities belong to an area code.

Profile and Interactive Map for Area Code 307 in Wyoming - April, 2025