There are 7 zip codes in Williamsburg County, South Carolina. The most populated is 29556, located in Kingstree. * 2024 populations estimated based on the latest ACS 5-year data.

Zip Code
City
Population
29556Kingstree11,467
29510Andrews10,558
29590Salters3,679
29056Greeleyville2,264
29564Lane1,238
29580Nesmith1,130
29518Cades805

Williamsburg County, South Carolina Zip Codes by Population (2024)