Zip Area Code

Oak Harbor, Washington

Oak Harbor, Washington, in Island County, has ZIP codes 98277 and 98278 and area code 360, with 564 as an overlay.

ZIP codes
98277, 98278
Area codes
360, 564
Time zone
Pacific Time
Coordinates
48.3277, -122.6534

ZIP codes in Oak Harbor

ZIP codePost officeCountyArea codes
98277Oak HarborIsland County360, 564
98278Oak HarborIsland County360, 564

Area codes for Oak Harbor

  • Area code 360

    In service since January 15, 1995. Shares its area with 564. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 564

    In service since August 28, 2017. Shares its area with 206 and 360. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Oak Harbor is in the Pacific Time zone.

Towns near Oak Harbor