Zip Area Code

Jefferson County, Idaho

Jefferson County, Idaho, has 8 towns and 7 ZIP codes, in area code 208, with 986 as an overlay.

Towns in Jefferson County, A to Z

TownZIP codesArea codes
Hamer83425208, 986
Lewisville83431208, 986
Menan83434208, 986
Monteview83435208, 986
Mud Lakenearest83450208, 986
Rigby83442208, 986
Roberts83444208, 986
Terreton83450208, 986

ZIP codes in Jefferson County

Area codes in Jefferson County

  • 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.