| Localité | Code postal |
|---|---|
| Brodhead, Rockcastle | 40409 |
| Climax, Rockcastle | 40456 |
| Conway, Rockcastle | 40456 |
| Disputanta, Rockcastle | 40456 |
| Johnetta, Rockcastle | 40460 |
| Livingston, Rockcastle | 40445 |
| Mount Vernon, Rockcastle | 40456 |
| Orlando, Rockcastle | 40460 |
| Renfro Valley, Rockcastle | 40473 |
| Wildie, Rockcastle | 40492 |