Zip Area Code

Barnwell, South Carolina

Barnwell, South Carolina, in Barnwell County, has ZIP code 29812 and area code 803, with 839 as an overlay.

ZIP code
29812
Area codes
803, 839
Time zone
Eastern Time
Coordinates
33.2335, -81.3523

ZIP codes in Barnwell

ZIP codePost officeCountyArea codes
29812BarnwellBarnwell County803, 839

Area codes for Barnwell

  • 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

Barnwell is in the Eastern Time zone.

Towns near Barnwell