Zip Area Code

Grant County, Oregon

Grant County, Oregon, has 15 towns and 11 ZIP codes, in area code 541, with 458 as an overlay.

Towns in Grant County, A to Z

TownZIP codesArea codes
Bates97817541, 458
Canyonnearest97845541, 458
Canyon City97820541, 458
Dayville97825541, 458
Granitenearest97877541, 458
Greenhornnearest97817541, 458
John Day97845541, 458
Kimberly97848541, 458
Long Creek97856541, 458
Monument97864541, 458
Mount Vernon97865541, 458
Prairienearest97869541, 458
Prairie City97869541, 458
Seneca97873541, 458
Sumpter97877541, 458

ZIP codes in Grant County

Area codes in Grant 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.