Zip Area Code

Malheur County, Oregon

Malheur County, Oregon, has 14 towns and 13 ZIP codes, in area code 541, with 458 as an overlay.

Towns in Malheur County, A to Z

TownZIP codesArea codes
Adrian97901541, 458
Annexnearest97914541, 458
Arock97902541, 458
Brogan97903541, 458
Harper97906541, 458
Ironside97908541, 458
Jamieson97909541, 458
Jordan Valley97910541, 458
Juntura97911541, 458
Nyssa97913541, 458
Ontario97914541, 458
Riverside97917541, 458
Vale97918541, 458
Westfall97920541, 458

ZIP codes in Malheur County

Area codes in Malheur County

  • 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.