| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 45801 | Lima | Allen County | Standard |
| 45802 | Lima | Allen County | PO Box |
| 45804 | Lima | Allen County | Standard |
| 45805 | Lima | Allen County | Standard |
| 45806 | Lima | Allen County | Standard |
| 45807 | Lima | Allen County | Standard |
| 45808 | Beaverdam | Allen County | Standard |
| 45809 | Gomer | Allen County | Standard |
| 45810 | Ada | Hardin County | Standard |
| 45817 | Bluffton | Allen County | Standard |
| 45820 | Cairo | Allen County | PO Box |
| 45830 | Columbus Grove | Putnam County | Standard |
| 45833 | Delphos | Allen County | Standard |
| 45844 | Fort Jennings | Putnam County | Standard |
| 45850 | Harrod | Allen County | Standard |
| 45854 | Lafayette | Allen County | PO Box |
| 45887 | Spencerville | Allen County | Standard |
| 45896 | Waynesfield | Auglaize County | Standard |