Wyoming Area Codes
1 active area code · Cheyenne · Population around 455,749
Wyoming has 1 active area code, serving cities like Cheyenne, Casper, and Gillette. A single area code covers the whole state. Each code below links to its cities, carriers, timezone, and coverage map.
Wyoming Area Code Map
What area codes does Wyoming have?
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does Wyoming have?
Wyoming has 1 active area code: 307.
What is the main area code for Wyoming?
The 307 area code is among the primary area codes for Wyoming, serving Cheyenne and surrounding communities.
What are the largest cities in Wyoming?
The largest cities in Wyoming include Cheyenne, Casper, Gillette, Laramie, Rock Springs.
What is the total population of Wyoming?
Wyoming has an estimated total population of 455,749 based on US Census PEP 2024 data.