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Area Code 307: Wyoming's Exclusive Telephone Code - Coverage, Cities, and FAQs
Explore Area Code 307, Wyoming's only area code, established in 1947. Understand its geographic coverage, including Cheyenne (41.13998?? N) and Casper (42.86663?? N). Learn about NANPA regulations, 10-digit dialing, and why Wyoming maintains a single NPA code despite landline, wireless, & VoIP services.
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.
<Callout type="info"> 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. </Callout>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.
Frequently Asked Questions
What area code is used for the entire state of Wyoming?
Area code 307 is the single area code that covers the entire state of Wyoming.
When was area code 307 established for Wyoming?
Area code 307 was established in 1947 as one of the original North American area codes.
Why does Wyoming only have one area code?
Wyoming's low population density allows it to be served by a single area code, even though it's geographically large.
Which major cities are located within area code 307?
Major cities within area code 307 include Casper, Cheyenne, Gillette, and Laramie.
What is the NPA code for Wyoming?
The NPA (Numbering Plan Area) code for Wyoming is 307.
What are the dialing requirements for making calls within area code 307?
10-digit dialing is required for all calls within area code 307, even local calls.
Which organization regulates area code 307?
The North American Numbering Plan Administration (NANPA) regulates area code 307 and other area codes in North America.
What types of phone services are available in Wyoming under area code 307?
Landline, wireless, and VoIP services are available in Wyoming under area code 307.
Who are the major phone carriers in Wyoming that service area code 307?
Major carriers in Wyoming that service area code 307 include Verizon, AT&T, and T-Mobile.
Is area code 307 one of the original area codes in North America?
Yes, area code 307 is one of the original North American area codes established in 1947.
How has area code 307 been impacted by population changes in Wyoming?
Despite some population growth, Wyoming's sparse population has allowed it to continue using only area code 307.
Where can I find more details on area code regulations and management?
You can find more information on the North American Numbering Plan Administration (NANPA) website.
What area code is used in Cheyenne Wyoming?
Cheyenne, Wyoming uses area code 307. This single area code covers the entire state of Wyoming and has been in use since 1947 as one of the original North American area codes. Despite Wyoming's large geographic area, its low population density allows it to be served by just this one code.
How to dial a 307 number from another area code?
You need to dial 1 followed by the 307 area code and the seven-digit phone number, totaling 10 digits. This 10-digit dialing is required even for local calls within Wyoming. The North American Numbering Plan Administration (NANPA) sets these dialing requirements.
What is the area code for Casper Wyoming?
Casper, Wyoming, falls under area code 307. This code is unique to Wyoming, covering the entire state and is overseen by NANPA. It's one of the few remaining single area codes in the US.
Why does Wyoming have only one area code?
Wyoming's low population density allows the entire state to be served by a single area code, 307. While other states have needed multiple area codes due to population growth, Wyoming has maintained efficient number management. This has allowed them to keep their original area code from 1947.
What is area code 307 and what states does it cover?
Area code 307 exclusively covers the state of Wyoming. Implemented in 1947, it's one of the original North American area codes and a testament to Wyoming's low population density. The code is managed by NANPA and covers all cities in Wyoming.
When was area code 307 established in Wyoming?
Area code 307 was established in 1947 as one of the original North American area codes. It has served the entire state of Wyoming since its implementation and remains one of the few single area codes in the US.
What are the major cities covered by area code 307?
Area code 307 covers all cities in Wyoming, including major cities like Casper, Cheyenne, Gillette, and Laramie. This single area code covers the entire state due to its relatively low population density.
Can I use VoIP services within area code 307?
Yes, VoIP (Voice over Internet Protocol) is available within area code 307, along with traditional landline and wireless services. Major carriers like Verizon, AT&T, and T-Mobile provide service in the area.
What does NPA stand for in area code 307?
NPA stands for Numbering Plan Area. In the case of area code 307, the NPA code is 307, representing the entire state of Wyoming.
How are phone numbers allocated in area code 307?
Phone numbers in area code 307 are allocated and managed under the guidelines of the North American Numbering Plan Administration (NANPA). They ensure efficient number allocation and adherence to established regulations.
Who regulates area code 307?
The North American Numbering Plan Administration (NANPA) regulates area code 307, overseeing number allocation and management. They are the governing body for all area codes in the North American Numbering Plan.