Zip Area Code

Hillsboro, Oregon

Hillsboro, Oregon, in Washington County, has ZIP codes 97123, 97124 and 97129 and area code 503, with 971 as an overlay.

ZIP codes
97123, 97124, 97129
Area codes
503, 971
State
Oregon
Time zone
Pacific Time
Coordinates
45.5253, -122.9614

ZIP codes in Hillsboro

ZIP codePost officeCountyArea codes
97123HillsboroWashington County503, 971
97124HillsboroWashington County503, 971
97129*HillsboroWashington County503, 971

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Hillsboro

  • Area code 503

    In service since 1947. Shares its area with 971. Local calls are dialed with ten digits.

  • Area code 971

    In service since October 1, 2000. Shares its area with 503. Local calls are dialed with ten digits.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Hillsboro is in the Pacific Time zone.

Towns near Hillsboro