| Locality | Post Code |
|---|---|
| Cameron, Calhoun | 29030 |
| Creston, Calhoun | 29030 |
| Elloree, Calhoun | 29047 |
| Fort Motte, Calhoun | 29135 |
| Gaston, Calhoun | 29053 |
| Hammond Crossroads, Calhoun | 29135 |
| Lone Star, Calhoun | 29030 |
| Saint Matthews, Calhoun | 29135 |
| Singleton, Calhoun | 29135 |
| Swansea, Calhoun | 29160 |