| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 42220 | Elkton | Todd County | Standard |
| 42256 | Lewisburg | Logan County | Standard |
| 42321 | Beech Creek | Muhlenberg County | Standard |
| 42323 | Beechmont | Muhlenberg County | Standard |
| 42324 | Belton | Muhlenberg County | Standard |
| 42325 | Bremen | Muhlenberg County | Standard |
| 42326 | Browder | Muhlenberg County | Standard |
| 42330 | Central City | Muhlenberg County | Standard |
| 42332 | Cleaton | Muhlenberg County | PO Box |
| 42337 | Drakesboro | Muhlenberg County | Standard |
| 42339 | Dunmor | Muhlenberg County | Standard |
| 42344 | Graham | Muhlenberg County | Standard |
| 42345 | Greenville | Muhlenberg County | Standard |
| 42367 | Powderly | Muhlenberg County | Standard |
| 42372 | Sacramento | Mclean County | Standard |
| 42374 | South Carrollton | Muhlenberg County | PO Box |
| 42431 | Madisonville | Hopkins County | Standard |
| 42464 | White Plains | Hopkins County | Standard |