Wyoming area codes
One area code, 307, on Mountain Time.
Calling Wyoming right now
Calling hours: Every day, 8 AM to 8 PM (Wyoming law)
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Wyoming's area code: 307
307 covers Cheyenne, Casper, Gillette and Jackson. Its page has the local time now, every place it serves, and when you can call.
See 307's cities and calling hoursWhen can you call Wyoming numbers?
Sales calls to homes and cell phones have legal hours, set by Wyoming law. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in WyomingEvery day, 8 AM to 8 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Wyoming lawEvery day, 8 AM to 8 PMWyo. Stat. 40-12-302(d) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Wyoming area code FAQ
How many area codes does Wyoming have?
One: 307.
What time zone is the Wyoming area code in?
Mountain Time (MST, UTC-7; MDT, UTC-6 in summer).
When can you call Wyoming numbers?
Every day, 8 AM to 8 PM, local time, under Wyoming law.
Calling Wyoming numbers? Reach more of them.
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