Zip Area Code

Johnson County, Missouri

Johnson County, Missouri, has 9 towns and 8 ZIP codes, in area codes 660 and 816 (overlay 975).

Towns in Johnson County, A to Z

TownZIP codesArea codes
Centerview64019660
Chilhowee64733660
Holden64040816, 975
Kingsville64061816, 975
Knob Noster65336660
Leeton64761660
Warrensburg64093660
Whiteman AFBnearest65305, 65336660
Whiteman Air Force Base65305660

ZIP codes in Johnson County

Area codes in Johnson County

  • Area code 660

    In service since October 12, 1997. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 816

    In service since 1947. Shares its area with 975. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 975

    In service since October 13, 2023. Shares its area with 816. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.