Zip Area Code

Ontario, Oregon

Ontario, Oregon, in Malheur County, has ZIP code 97914 and area code 541, with 458 as an overlay.

ZIP code
97914
Area codes
541, 458
State
Oregon
Coordinates
44.0416, -116.9783

ZIP codes in Ontario

ZIP codePost officeCountyArea codes
97914OntarioMalheur County541, 458

Area codes for Ontario

  • 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 Ontario