Zip Area Code

Annex, Oregon

No ZIP code carries the name of Annex, Oregon, in Malheur County; the nearest ZIP code is 97914, in area code 541, with 458 as an overlay.

Nearest ZIP
97914
Area codes
541, 458
State
Oregon
Coordinates
44.2342, -116.9924

Nearest ZIP codes to Annex

This is the ZIP code nearest to Annex, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
97914OntarioMalheur County541, 458

Area codes for Annex

  • 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 Annex