Zip Area Code

Johnston, South Carolina

Johnston, South Carolina, in Edgefield County, has ZIP code 29832 and area code 803, with 839 as an overlay.

ZIP code
29832
Area codes
803, 839
Time zone
Eastern Time
Coordinates
33.8231, -81.7972

ZIP codes in Johnston

ZIP codePost officeCountyArea codes
29832JohnstonEdgefield County803, 839

Area codes for Johnston

  • Area code 803

    In service since 1947. Shares its area with 839. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 839

    In service since May 26, 2020. Shares its area with 803. 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

Johnston is in the Eastern Time zone.

Towns near Johnston