Washington area codes
Washington has 6 area codes, all on UTC−8 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
常见问题
Washington area code questions
How many area codes does Washington have?
Washington has 6 area codes in service: 206, 253, 360, 425, 509 and 564.
What was the original Washington area code?
206 was among the original area codes created in 1947.
What is the newest area code in Washington?
564, in service since August 28, 2017 as an overlay on 206.
What time zone is Washington area codes in?
Pacific.
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All North American area codes · International country codes
Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.