Zip Area Code

Monument, Oregon

Monument, Oregon, in Grant County, has ZIP code 97864 and area code 541, with 458 as an overlay.

ZIP code
97864
Area codes
541, 458
State
Oregon
Coordinates
44.8189, -119.4192

ZIP codes in Monument

ZIP codePost officeCountyArea codes
97864MonumentGrant County541, 458

Area codes for Monument

  • 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 Monument