Washington area codes

Washington state has six area codes: five in western Washington (206, 253, 360, 425 and the overlay 564) and 509 covering eastern Washington. Code 564 began relieving 360 in 2017 and was extended to the 206 region starting June 2025; mandatory 10-digit dialing applies across western Washington.

Major metro areas

All Washington area codes

Every code opens its profile — codes with a full write-up show their place; the rest show live numbering data while their detailed profile is added.