Zip Area Code

Barnwell County, South Carolina

Barnwell County, South Carolina, has 6 towns and 5 ZIP codes, in area code 803, with 839 as an overlay.

Towns in Barnwell County, A to Z

TownZIP codesArea codes
Barnwell29812803, 839
Blackville29817803, 839
Elko29826803, 839
Hilda29813803, 839
Snellingnearest29812803, 839
Williston29853803, 839

ZIP codes in Barnwell County

Area codes in Barnwell County

  • 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.