| Localité | Code postal |
|---|---|
| Aiken, Aiken | 29801, 29803, 29805 |
| Bath, Aiken | 29816 |
| Beech Island, Aiken | 29842 |
| Belvedere, Aiken | 29841 |
| Berlin, Aiken | 29137 |
| Bethcar, Aiken | 29164 |
| Breeze Hill, Aiken | 29834 |
| Burnettown, Aiken | 29851 |
| Clearwater, Aiken | 29822 |
| Dunbarton, Aiken | 29831 |
| Gloverville, Aiken | 29828 |
| Graniteville, Aiken | 29829 |
| H L Crossroads, Aiken | 29164 |
| Hibernia, Aiken | 29105 |
| Jackson, Aiken | 29831 |
| Jones Crossroads, Aiken | 29105 |
| Kitchings Mill, Aiken | 29137 |
| Langley, Aiken | 29834 |
| Mixville, Aiken | 29851 |
| Monetta, Aiken | 29105 |
| Montmorenci, Aiken | 29839 |
| New Ellenton, Aiken | 29809 |
| New Holland, Aiken | 29164 |
| North Augusta, Aiken | 29841, 29860 |
| Perry, Aiken | 29137 |
| Ridge Spring, Aiken | 29129 |