Wyoming Area Code Information
Wyoming Area Codes
Wyoming is currently using one area code. Wyoming does not utilize any area code overlays. Area code 307 covers all of the State of Wyoming.
Changes and History of Wyoming Area Codes:
01/01/1947
Area code 307 was put into service.
Area Codes in Selected Wyoming Locations
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places
