| Locality | Post Code |
|---|---|
| Andrews, Williamsburg | 29510 |
| Cades, Williamsburg | 29518 |
| Greeleyville, Williamsburg | 29056 |
| Hebron, Williamsburg | 29518 |
| Hemingway, Williamsburg | 29554 |
| Kingstree, Williamsburg | 29556 |
| Lake City, Williamsburg | 29560 |
| Lane, Williamsburg | 29564 |
| Nesmith, Williamsburg | 29580 |
| Salters, Williamsburg | 29590 |
| Stuckey, Williamsburg | 29554 |
| Trio, Williamsburg | 29590 |