Zip Area Code

Benton County, Oregon

Benton County, Oregon, has 8 towns and 7 ZIP codes, in area code 541, with 458 as an overlay.

Towns in Benton County, A to Z

TownZIP codesArea codes
Adairnearest97321, 97330541, 458
Alpinenearest97456541, 458
Alsea97324541, 458
Bellfountainnearest97456541, 458
Corvallis97330, 97331, 97333, 97339541, 458
Monroe97456541, 458
Peorianearest97333541, 458
Philomath97370541, 458

ZIP codes in Benton County

Area codes in Benton 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.