Gillette, Wyoming
Mountain Time Zone (UTC-7) · WY · —
About Area Codes in Gillette, Wyoming
Gillette, Wyoming is served by area code 307, which was one of the original area codes established in 1947 under the North American Numbering Plan. The city falls within the Mountain time zone (UTC-7). All calls to and from Gillette use the 307 area code prefix for local and long-distance dialing.
Frequently Asked Questions
What area code is Gillette, Wyoming?
Gillette, Wyoming uses area code 307.
What time zone is Gillette in?
Gillette is in the Mountain time zone (UTC-7).
Do I need to dial 10 digits when calling Gillette?
Standard 7-digit dialing is used for local calls within Gillette. However, 10-digit dialing is always accepted and required for long-distance calls.
When was area code 307 created?
Area code 307 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 307 with Gillette?
Other cities sharing area code 307 with Gillette include Casper, Cheyenne, Cody, Evanston, Green River, among others.
Gillette, WY · Mountain Time Zone