Area Code 307: Wyoming's Exclusive Telephone Code - Coverage, Cities, and FAQs
Are you curious about Area Code 307? This unique code serves the entire state of Wyoming, offering a glimpse into the state's telecommunications landscape. Established in 1947, Area Code 307 remains one of the original area codes in the United States, covering a vast geographic area with a sparse population. In this guide, we'll explore the cities it covers, its technical specifications, and what makes it unique.
Area code 307 is the exclusive telephone area code for the entire U.S. state of Wyoming, established in 1947 as part of the original North American area codes.
What is Area Code 307?
Area Code 307 is Wyoming's sole telephone area code, making it unique among U.S. states which often have multiple area codes. It was implemented in 1947 when the North American Numbering Plan was established, and it has remained unchanged since.
Geographic Coverage of Area Code 307
Area Code 307 covers the entire state of Wyoming, which is situated in the western United States. Despite its large area, Wyoming's low population density allows it to be served by a single area code.
Major Cities in Area Code 307
- Casper: 42.86663?? N, 106.31308?? W
- Cheyenne: 41.13998?? N, 104.82025?? W
- Gillette: 44.29109?? N, 105.50222?? W
- Laramie: 41.31137?? N, 105.5911?? W
Technical Specifications of Area Code 307
- NPA Code: 307
- Type: Single
- Implementation Date: 1947
- State: Wyoming
Dialing and Regulatory Information
- Regulatory Body: North American Numbering Plan Administration (NANPA)
- Dialing Requirements: 10-digit dialing for local calls
- NANPA Regulations: Compliance with NANPA guidelines for number allocation and management
Network Infrastructure
Major Carriers
- Verizon
- AT&T
- T-Mobile
Available Services
- Landline
- Wireless
- VoIP
Why Does Wyoming Still Use a Single Area Code?
Despite technological advancements and population growth in other states, Wyoming's sparse population and efficient number management have allowed it to maintain a single area code. This makes Area Code 307 one of the few remaining single area codes in the United States.
Historical Milestones
- 1947: Area code 307 was created as one of the original North American area codes by AT&T.
- 2020: Wyoming remains one of the few states with a single area code due to its sparse population.
Conclusion
Area Code 307 is not just a number; it's a symbol of Wyoming's unique place in the telecommunications landscape. Covering the entire state, it continues to serve the people of Wyoming efficiently. Whether you're calling from Cheyenne or Casper, Area Code 307 connects you to the heart of the Cowboy State.
For more information on area codes and their management, visit the North American Numbering Plan Administration.
For further reading, check out related articles on how area codes are assigned and managed, and explore the history of the North American Numbering Plan.