Area code 307 is the single area code that covers the entire state of Wyoming.

Area code 307 was established in 1947 as one of the original North American area codes.

Wyoming's low population density allows it to be served by a single area code, even though it's geographically large.

Major cities within area code 307 include Casper, Cheyenne, Gillette, and Laramie.

The NPA (Numbering Plan Area) code for Wyoming is 307.

10-digit dialing is required for all calls within area code 307, even local calls.

The North American Numbering Plan Administration (NANPA) regulates area code 307 and other area codes in North America.

Landline, wireless, and VoIP services are available in Wyoming under area code 307.

Major carriers in Wyoming that service area code 307 include Verizon, AT&T, and T-Mobile.

Yes, area code 307 is one of the original North American area codes established in 1947.

Despite some population growth, Wyoming's sparse population has allowed it to continue using only area code 307.

You can find more information on the North American Numbering Plan Administration (NANPA) website.

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.

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.

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.

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.

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.

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.

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.

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.

NPA stands for Numbering Plan Area. In the case of area code 307, the NPA code is 307, representing the entire state of Wyoming.

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.

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.