| Locality | Post Code |
|---|---|
| Addieville, Washington | 62214 |
| Ashley, Washington | 62808 |
| Beaucoup, Washington | 62263 |
| Bolo, Washington | 62808 |
| Covington, Washington | 62271 |
| Du Bois, Washington | 62831 |
| Elkton, Washington | 62268 |
| Hoyleton, Washington | 62803 |
| Huegely, Washington | 62803 |
| Irvington, Washington | 62848 |
| Lively Grove, Washington | 62268 |
| Nashville, Washington | 62263 |
| New Minden, Washington | 62263 |
| Oakdale, Washington | 62268 |
| Okawville, Washington | 62271 |
| Pilot Knob, Washington | 62263 |
| Radom, Washington | 62876 |
| Richview, Washington | 62877 |
| Todds Mill, Washington | 62263 |
| Venedy, Washington | 62214 |