Zip Area Code

Hermiston, Oregon

Hermiston, Oregon, in Umatilla County, has ZIP code 97838 and area code 541, with 458 as an overlay.

ZIP code
97838
Area codes
541, 458
State
Oregon
Coordinates
45.8450, -119.2849

ZIP codes in Hermiston

ZIP codePost officeCountyArea codes
97838HermistonUmatilla County541, 458

Area codes for Hermiston

  • Area code 541

    In service since November 5, 1995. Shares its area with 458. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 458

    In service since February 10, 2010. Shares its area with 541. 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.

Towns near Hermiston