ZIP Code 42457 is located in Smith Mills Kentucky. 42457 is entirely within Henderson County. Regionally, it is located in the Evansville Area.
| ZIP Code Name | Smith Mills |
| Primary County | Henderson County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 37.80727005,-87.67127228 |
| Adjacent ZIP Codes | |
| Region | Evansville Area |
| Metropolitan/Micropolitan Stat Area | Evansville, IN-KY |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |