| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 43331 | Lakeview | Logan County | Standard |
| 45306 | Botkins | Shelby County | Standard |
| 45334 | Jackson Center | Shelby County | Standard |
| 45806 | Lima | Allen County | Standard |
| 45819 | Buckland | Auglaize County | Standard |
| 45822 | Celina | Mercer County | Standard |
| 45845 | Fort Loramie | Shelby County | Standard |
| 45850 | Harrod | Allen County | Standard |
| 45862 | Mendon | Mercer County | Standard |
| 45865 | Minster | Auglaize County | Standard |
| 45869 | New Bremen | Auglaize County | Standard |
| 45870 | New Hampshire | Auglaize County | PO Box |
| 45871 | New Knoxville | Auglaize County | Standard |
| 45884 | Saint Johns | Auglaize County | PO Box |
| 45885 | Saint Marys | Auglaize County | Standard |
| 45887 | Spencerville | Allen County | Standard |
| 45888 | Uniopolis | Auglaize County | PO Box |
| 45895 | Wapakoneta | Auglaize County | Standard |
| 45896 | Waynesfield | Auglaize County | Standard |