Wyoming Area Codes — 1 Codes
Wyoming has 1 North American Numbering Plan area code, covering about 576,811 people. The table lists each code with its largest towns, population and overlaps.
All area codes in Wyoming
| Area code | Largest towns | Population | ZIP codes | Overlaps |
|---|---|---|---|---|
| 307 | Cheyenne, Casper, Gillette | 576,811 | 175 | — |
Largest cities in Wyoming
Cheyenne 307Casper 307Gillette 307Laramie 307Rock Springs 307Sheridan 307Riverton 307Jackson 307Cody 307Evanston 307Lander 307Powell 307Green River 307Torrington 307Douglas 307
Frequently asked questions
How many area codes does Wyoming have?
Wyoming uses 1 area codes.
What is the main area code in Wyoming?
307 covers the largest population in Wyoming.
How do I find the area code for a town?
Open the town in the city list above; each town page lists every area code assigned to it.