| Ortschaft | Postleitzahl |
|---|---|
| Bowerston, Harrison | 44695 |
| Cadiz, Harrison | 43907 |
| Conotton, Harrison | 44695 |
| Deersville, Harrison | 44693 |
| Freeport, Harrison | 43973 |
| Harrisville, Harrison | 43974 |
| Hopedale, Harrison | 43976 |
| Jewett, Harrison | 43986 |
| Moorefield, Harrison | 43907 |
| New Athens, Harrison | 43981 |
| New Hagerstown, Harrison | 44695 |
| New Rumley, Harrison | 43984 |
| Scio, Harrison | 43988 |
| Short Creek, Harrison | 43907 |
| Tippecanoe, Harrison | 44699 |