Zip Area Code

Mount Vernon, Washington

Mount Vernon, Washington, in Skagit County, has ZIP codes 98273 and 98274 and area code 360, with 564 as an overlay.

ZIP codes
98273, 98274
Area codes
360, 564
Time zone
Pacific Time
Coordinates
48.3997, -122.1743

ZIP codes in Mount Vernon

ZIP codePost officeCountyArea codes
98273Mount VernonSkagit County360, 564
98274Mount VernonSkagit County360, 564

Area codes for Mount Vernon

  • 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

Mount Vernon is in the Pacific Time zone.

Towns near Mount Vernon