| Ortschaft | Postleitzahl |
|---|---|
| Bladensburg, Knox | 43005 |
| Brinkhaven, Knox | 43006 |
| Centerburg, Knox | 43011 |
| Danville, Knox | 43014 |
| Fredericktown, Knox | 43019 |
| Gambier, Knox | 43022 |
| Howard, Knox | 43028 |
| Martinsburg, Knox | 43037 |
| Mount Liberty, Knox | 43048 |
| Mount Vernon, Knox | 43050 |