What is the significance of Area Code 307?

Area Code 307 is significant because it is the exclusive telephone area code for the entire state of Wyoming, making it unique as most U.S. states have multiple area codes.

Which cities are covered by Area Code 307?

Area Code 307 covers major cities in Wyoming, including Casper, Cheyenne, Gillette, and Laramie.

What are the dialing requirements for Area Code 307?

For Area Code 307, 10-digit dialing is required for local calls.

Who regulates Area Code 307?

Area Code 307 is regulated by the North American Numbering Plan Administration (NANPA).

What services are available under Area Code 307?

Services available under Area Code 307 include landline, wireless, and VoIP services.

Which major carriers operate in Area Code 307?

Major carriers operating in Area Code 307 include Verizon, AT&T, and T-Mobile.

Has Area Code 307 ever changed since its implementation?

No, Area Code 307 has remained unchanged since it was implemented in 1947.

What makes Area Code 307 unique compared to other area codes?

Area Code 307 is unique because it covers an entire state with a single code, which is rare in the United States.

How does Wyoming's population affect its area code system?

Wyoming's low population density allows it to be served by a single area code, 307, unlike more populous states that require multiple area codes.

What is the NPA code for Wyoming?

The NPA code for Wyoming is 307.

What is the geographic coverage of Area Code 307?

Area Code 307 covers the entire state of Wyoming, situated in the western United States.

How does Area Code 307 relate to the North American Numbering Plan?

Area Code 307 was one of the original area codes established in 1947 as part of the North American Numbering Plan.

What historical milestones are associated with Area Code 307?

A major historical milestone for Area Code 307 is its creation in 1947 as one of the original North American area codes.

What is the regulatory body for Area Code 307?

The regulatory body for Area Code 307 is the North American Numbering Plan Administration (NANPA).

What type of area code is 307?

Area Code 307 is a single area code serving the entire state of Wyoming.

Why hasn't Wyoming needed an additional area code?

Wyoming hasn't needed an additional area code due to its sparse population and efficient number management, which have kept the demand within the capacity of a single area code.

What is the importance of Area Code 307 in Wyoming's telecommunications?

Area Code 307 is important in Wyoming's telecommunications as it represents the entire state, providing a unified code for all residents and businesses.

What is the role of NANPA in managing Area Code 307?

NANPA manages Area Code 307 by ensuring compliance with guidelines for number allocation and management, supporting efficient telecommunications in Wyoming.

Area Code 307: Wyoming's Exclusive Telephone Code - Coverage, Cities, and FAQs

Q: When was Area Code 307 established?

Area Code 307 was established in 1947 as part of the original North American Numbering Plan.

Q: Why does Wyoming only have one area code?

Wyoming only has one area code, 307, because of its sparse population and efficient number management, which have allowed it to maintain a single area code.

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.

Phone Validator