Zip Area Code

Round O, South Carolina

Round O, South Carolina, in Colleton County, has ZIP code 29474 and area code 843, with 854 as an overlay.

ZIP code
29474
Area codes
843, 854
Time zone
Eastern Time
Coordinates
32.9405, -80.5739

ZIP codes in Round O

ZIP codePost officeCountyArea codes
29474Round OColleton County843, 854

Area codes for Round O

  • Area code 843

    In service since March 22, 1998. Shares its area with 854. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 854

    In service since October 19, 2015. Shares its area with 843. 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

Round O is in the Eastern Time zone.

Towns near Round O