State Directory

Wyoming Area Codes

1 area code • 1 time zone • 2+ cities

Active Codes
1
Time Zones
1

All Wyoming Area Codes

1 total
307
Cheyenne, Casper
Mountain Time (MT)
Est. 1947

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Codes by Time Zone

Mountain Time (MT)

1 code
307

About Wyoming Area Codes

Wyoming is served by 1 area code, covering various cities and regions throughout the state. This code serves the entire state.

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Quick Facts

  • 1 active area codes in Wyoming
  • Operates across 1 time zone
  • Oldest code established in 1947