Richland County South Carolina is covered by a total of 49 ZIP Codes. There are 11 ZIP Codes in Richland County that extend into adjacent counties (Calhoun County, Fairfield County, Kershaw County, Lexington County, and Newberry County). Of the ZIP codes within or partially within Richland County there are 23 Standard ZIP Codes, 11 Unique ZIP Codes and 14 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Richland County and can be turned on and off. Each type of postal code can also be turned on and off.