Founded in 1802, Williamsburg County is one of 46 counties in the state of South Carolina. Historically, Williamsburg County was formed from Georgetown District. The city of Kingstree is the county seat. With FIPS code of 89, Williamsburg County has a population of 30,484 and area of 937 square miles (2,427 km2).
List of all cities in Williamsburg County, SC alphabetically
| City/Town | Postal Code | Area Code |
| Cades, SC | 29518 | 843 |
| Greeleyville, SC | 29056 | 843 |
| Hebron, SC | 29518 | 843 |
| Hemingway, SC | 29554 | 843 |
| Kingstree, SC | 29556 | 843 |
| Lane, SC | 29564 | 843 |
| Nesmith, SC | 29580 | 843 |
| Salters, SC | 29590 | 843 |
| Stuckey, SC | 29554 | 843 |
| Trio, SC | 29590 | 843 |