| Dorchester Post Office |
2650 Highway 78, Dorchester, SC 29437 |
| Grover Post Office |
1923 Highway 15, Grover, SC 29447 |
| Harleyville Post Office |
130 E Main St, Harleyville, SC 29448 |
| Ladson Post Office |
3213 Ladson Rd, Ladson, SC 29456 |
| Oakbrook Post Office |
10070 Dorchester Rd, Summerville, SC 29485 |
| Reevesville Post Office |
108 Rigby St, Reevesville, SC 29471 |
| Ridgeville Post Office |
185 Church St, Ridgeville, SC 29472 |
| Saint George Post Office |
5988 W Jim Bilton Blvd, Saint George, SC 29477 |
| Summerville Post Office |
301 N Gum St, Summerville, SC 29483 |
