Quick Answer
Wyoming has 1 active area code: 307. All Wyoming area codes are in the Mountain time zone. Data source: NANPA.
All Area Codes in Wyoming
| Code | Region | Major Cities | Timezone |
|---|---|---|---|
| 307 | Wyoming (statewide) | Cheyenne, Casper, Laramie | Mountain |
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Frequently Asked Questions
How many area codes does Wyoming have?
Wyoming has 1 active area code: 307.
What are the area codes in Wyoming?
The area codes in Wyoming are: 307 (Wyoming (statewide)).
What area code is Cheyenne?
Cheyenne uses area code 307, located in Wyoming (statewide), Wyoming.
What time zone are Wyoming area codes in?
All area codes in Wyoming are in the Mountain time zone.
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