North American NumbersWestern Washington (outside Seattle metro)
Area code 360 covers western Washington outside the Seattle-Tacoma-Everett metro, from the Olympic Peninsula to the Oregon border. It has been overlaid by 564 since 2017.
Where 360 is
Western Washington excluding urban King, Pierce, and Snohomish counties — Olympic Peninsula, Southwest Washington, and an eastern strip along Puget Sound north toward British Columbia; includes Bainbridge Island..
Communities served wholly or partly by 360:
Serves roughly 45 communities; notable as one of the few NANP NPAs without a continuous land border, due to 1995 community protests that carved out exceptions.
How it relates to other codes
The codes 360 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?
How 360 got here
Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.