Area Code 307: Comprehensive Guide to Wyoming's Unique Area Code

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.

Technical Specifications of Area Code 307

NPA Code: 307
Type: Single
Implementation Date: 1947
State: Wyoming

Geographic Information

Coordinates: 43°00′N 107°30′W
Area Served: Entire state of Wyoming

Numbering Statistics

Total Numbers Available: [Data Not Provided]
Utilization Rate: [Data Not Provided]
Exhaust Projection: [Data Not Provided]

Network Infrastructure

Regulatory Framework

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

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 has been serving the entire state of Wyoming since 1947, maintaining its status as one of the original area codes under the North American Numbering Plan. Despite Wyoming's vast geographic area, the single area code suffices due to the state's low population density. The area code is regulated by NANPA, ensuring efficient number allocation and adherence to dialing requirements.