| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 46711 | Berne | Adams County | Standard |
| 46714 | Bluffton | Wells County | Standard |
| 46733 | Decatur | Adams County | Standard |
| 46740 | Geneva | Adams County | Standard |
| 46769 | Linn Grove | Adams County | PO Box |
| 46772 | Monroe | Adams County | Standard |
| 46773 | Monroeville | Allen County | Standard |
| 46777 | Ossian | Wells County | Standard |
| 46780 | Pleasant Mills | Adams County | PO Box |
| 46782 | Preble | Adams County | PO Box |