| Ortschaft | Postleitzahl |
|---|---|
| Allensburg, Highland | 45133 |
| Belfast, Highland | 45133 |
| Clinton County, Highland | 45135 |
| East Danville, Highland | 45133 |
| East Monroe, Highland | 45135 |
| Fairfax, Highland | 45133 |
| Fayette County, Highland | 45135 |
| Greenfield, Highland | 45123 |
| Highland, Highland | 45132 |
| Highland County, Highland | 45135 |
| Hillsboro, Highland | 45133 |
| Leesburg, Highland | 45135 |
| Lynchburg, Highland | 45142 |
| Mowrystown, Highland | 45155 |
| New Market, Highland | 45133 |
| North Uniontown, Highland | 45133 |
| Rainsboro, Highland | 45123 |
| Ross County, Highland | 45123 |
| Samantha, Highland | 45135 |
| Sinking Spring, Highland | 45172 |
| Sugar Tree Ridge, Highland | 45133 |
| Willetsville, Highland | 45133 |