Zip Area Code

Castleford, Idaho

Castleford, Idaho, in Twin Falls County, has ZIP code 83321 and area code 208, with 986 as an overlay.

ZIP code
83321
Area codes
208, 986
State
Idaho
Coordinates
42.5210, -114.8734

ZIP codes in Castleford

ZIP codePost officeCountyArea codes
83321CastlefordTwin Falls County208, 986

Area codes for Castleford

  • Area code 208

    In service since 1947. Shares its area with 986. Local calls are dialed with ten digits.

  • Area code 986

    In service since September 5, 2017. Shares its area with 208. 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.

Towns near Castleford