Wyoming Area Codes

Wyoming has 1 area code. Located in the West region of the United States.

307

All Area Codes in Wyoming

Area Code Primary City / Region Full Number Format
307 Cheyenne , Wyoming +1 (307) XXX-XXXX

How to Dial Wyoming Area Codes

Calling within the US

To call a phone number in Wyoming from anywhere within the United States:

1 + (307) + XXX-XXXX
  • Dial 1 (the US/Canada country code)
  • Dial the area code (e.g., 307)
  • Dial the 7-digit local number

Calling from outside the US

To call Wyoming from an international location:

[Exit Code] + 1 + (307) + XXX-XXXX

Replace [Exit Code] with your country's international access code (e.g., 00 from most European countries, 0011 from Australia).

Emergency Numbers

911 Police, Fire, Ambulance (Emergency)
311 Non-emergency municipal services
211 Community services and information
988 Suicide & Crisis Lifeline

About Wyoming Area Codes

Wyoming is served by 1 area code within the North American Numbering Plan (NANP). The entire state uses a single area code: 307.

All Wyoming phone numbers use the international country code +1, followed by the three-digit area code and a seven-digit local number, for a total of 11 digits when dialing internationally.

Wyoming at a Glance

State Wyoming
Country Code +1
Area Codes 1
Region West
Codes List 307

Wyoming Map

Map of Wyoming area code regions