ZIP Code 40231 is located in Louisville Kentucky. 40231 is entirely within Jefferson County. Regionally, 40231 is located in Metro Louisville.
| ZIP Code Name | Louisville |
| Primary County | Jefferson County |
| ZIP Code Type | PO Box |
| Area Code(s) | 502 |
| Current Time | EST |
| Coordinates | 38.19704056,-85.69658661 |
| Adjacent ZIP Codes | |
| Region | Metro Louisville |
| Metropolitan/Micropolitan Stat Area | Louisville/Jefferson County, KY-IN |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 0.06720379 Square Miles |
| School Districts in 40231 | |
| Elementary Schools in 40231 | |
| Middle Schools in 40231 | |
| High Schools in 40231 |