| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 43516 | Deshler | Henry County | Standard |
| 44802 | Alvada | Seneca County | Standard |
| 44804 | Arcadia | Hancock County | Standard |
| 44817 | Bloomdale | Wood County | Standard |
| 44830 | Fostoria | Seneca County | Standard |
| 45810 | Ada | Hardin County | Standard |
| 45814 | Arlington | Hancock County | Standard |
| 45816 | Benton Ridge | Hancock County | PO Box |
| 45817 | Bluffton | Allen County | Standard |
| 45839 | Findlay | Hancock County | PO Box |
| 45840 | Findlay | Hancock County | Standard |
| 45841 | Jenera | Hancock County | Standard |
| 45843 | Forest | Hardin County | Standard |
| 45856 | Leipsic | Putnam County | Standard |
| 45858 | McComb | Hancock County | Standard |
| 45867 | Mount Blanchard | Hancock County | Standard |
| 45868 | Mount Cory | Hancock County | Standard |
| 45872 | North Baltimore | Wood County | Standard |
| 45881 | Rawson | Hancock County | Standard |
| 45889 | Van Buren | Hancock County | Standard |
| 45890 | Vanlue | Hancock County | Standard |
| 45897 | Williamstown | Hancock County | Standard |