| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 42301 | Owensboro | Daviess County | Standard |
| 42302 | Owensboro | Daviess County | PO Box |
| 42303 | Owensboro | Daviess County | Standard |
| 42304 | Owensboro | Daviess County | PO Box |
| 42322 | Beech Grove | Mclean County | PO Box |
| 42327 | Calhoun | Mclean County | Standard |
| 42334 | Curdsville | Daviess County | PO Box |
| 42343 | Fordsville | Ohio County | Standard |
| 42348 | Hawesville | Hancock County | Standard |
| 42350 | Island | Mclean County | Standard |
| 42351 | Lewisport | Hancock County | Standard |
| 42352 | Livermore | Mclean County | Standard |
| 42355 | Maceo | Daviess County | Standard |
| 42356 | Maple Mount | Daviess County | PO Box |
| 42364 | Hawesville | Hancock County | PO Box |
| 42366 | Philpot | Daviess County | Standard |
| 42368 | Reynolds Station | Hancock County | Standard |
| 42371 | Rumsey | Mclean County | Standard |
| 42372 | Sacramento | Mclean County | Standard |
| 42376 | Utica | Daviess County | Standard |
| 42377 | West Louisville | Daviess County | PO Box |
| 42378 | Whitesville | Ohio County | Standard |