| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 43301 | Marion | Marion County | PO Box |
| 43302 | Marion | Marion County | Standard |
| 43314 | Caledonia | Marion County | Standard |
| 43315 | Cardington | Morrow County | Standard |
| 43322 | Green Camp | Marion County | PO Box |
| 43326 | Kenton | Hardin County | Standard |
| 43332 | La Rue | Marion County | Standard |
| 43335 | Martel | Marion County | PO Box |
| 43337 | Morral | Marion County | Standard |
| 43341 | New Bloomington | Marion County | Standard |
| 43342 | Prospect | Marion County | Standard |
| 43344 | Richwood | Union County | Standard |
| 43356 | Waldo | Marion County | Standard |
| 44833 | Galion | Morrow County | Standard |