Zip Area Code

Smithville, Missouri

Smithville, Missouri, in Clay County, has ZIP code 64089 and area code 816, with 975 as an overlay.

ZIP code
64089
Area codes
816, 975
Time zone
Central Time
Coordinates
39.3917, -94.5592

ZIP codes in Smithville

ZIP codePost officeCountyArea codes
64089SmithvilleClay County816, 975

Area codes for Smithville

  • 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.

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

Smithville is in the Central Time zone.

Towns near Smithville