Zip Area Code

Dorchester, South Carolina

Dorchester, South Carolina, in Dorchester County, has ZIP code 29437 and area code 843, with 854 as an overlay.

ZIP code
29437
Area codes
843, 854
Time zone
Eastern Time
Coordinates
33.1247, -80.4034

ZIP codes in Dorchester

ZIP codePost officeCountyArea codes
29437DorchesterDorchester County843, 854

Area codes for Dorchester

  • 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

Dorchester is in the Eastern Time zone.

Towns near Dorchester