| Locality | Post Code |
|---|---|
| Bethelridge, Casey | 42516 |
| Clementsville, Casey | 42539 |
| Dunnville, Casey | 42528 |
| Elk Horn, Casey | 42733 |
| Gravel Switch, Casey | 40328 |
| Hustonville, Casey | 40437 |
| Kings Mountain, Casey | 40442 |
| Liberty, Casey | 42539 |
| Middleburg, Casey | 42541 |
| Waynesburg, Casey | 40489 |
| Windsor, Casey | 42565 |
| Yosemite, Casey | 42566 |