| Locality | Post Code |
|---|---|
| Clarks Hill, Edgefield | 29821 |
| Cleora, Edgefield | 29824 |
| Edgefield, Edgefield | 29824 |
| Eureka, Edgefield | 29847 |
| Johnston, Edgefield | 29832 |
| Meeting Street, Edgefield | 29824 |
| Modoc, Edgefield | 29838 |
| Pleasant Lane, Edgefield | 29824 |
| Ridge Spring, Edgefield | 29129 |
| Trenton, Edgefield | 29847 |