Area Code 360: Coverage, Cities, and Key Facts
Area code 360 is a significant part of the North American Numbering Plan (NANP), primarily serving western Washington state. This guide explores its coverage, major cities, dialing requirements, and regulatory framework.
What Is Area Code 360?
Area code 360 was introduced on January 15, 1995, as part of a split from area code 206. It serves the western portion of Washington state, excluding the Seattle metropolitan area and regions west of the Cascade Mountains. This area includes the Olympic Peninsula and stretches from the Strait of Juan de Fuca to the Oregon border.
Geographic Coverage of Area Code 360
Major Cities in Area Code 360
Area code 360 covers several key cities in Washington, including:
- Bellingham
- Bremerton
- Lacey
- Longview
- Marysville
- Mount Vernon
- Olympia
- Vancouver
These cities are vital hubs within the state, contributing to the economic and cultural landscape of the region.
Technical and Regulatory Details
Technical Specifications
- NPA Code: 360
- Type: Overlay
- Implementation Date: January 15, 1995
- State: Washington
Dialing Requirements
Since July 29, 2017, ten-digit dialing has been mandatory in the region due to the overlay of area code 564. This change ensures sufficient number availability for the growing population and businesses in the area.
Regulatory Framework
The Washington Utilities and Transportation Commission oversees the regulation of area code 360. The area code adheres to NANPA regulations, ensuring compliance with national standards for area code assignments and overlays.
Historical Milestones
- 1947: Area code 206 was assigned to Washington state.
- 1957: Area code 206 was reduced to western Washington.
- 1995: Area code 360 was created from area code 206.
- 2017: Area code 564 overlaid on area code 360.
- 2021: Final 360 prefix was assigned.
Numbering and Network Infrastructure
Major Carriers and Services
Area code 360 is served by various carriers, providing landline, wireless, and VoIP services. Historically, US West played a significant role in telecommunications within the area.
Numbering Statistics
While specific data on total numbers available and utilization rates are not provided, projections in 2016 anticipated exhaustion by 2018. These statistics underscore the importance of efficient number management and planning.
Conclusion
Area code 360 is essential for connecting the diverse and vibrant communities of western Washington state. With its rich history and ongoing development, it remains a crucial part of the region's telecommunication infrastructure.
For more detailed insights, visit the Washington Utilities and Transportation Commission or the official Wikipedia page on Area Code 360.
If you're interested in learning more about other area codes or telecommunication regulations, check out our related articles or contact local authorities for the most current information.