Zip Area Code

Union, Washington

Union, Washington, in Mason County, has ZIP code 98592 and area code 360, with 564 as an overlay.

ZIP code
98592
Area codes
360, 564
Time zone
Pacific Time
Coordinates
47.3368, -123.0750

ZIP codes in Union

ZIP codePost officeCountyArea codes
98592UnionMason County360, 564

Area codes for Union

  • 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

Union is in the Pacific Time zone.

Towns near Union