ZIP CodesZIP codes in Oldham County, Kentucky
Oldham County, Kentucky has 7 ZIP codes in this list, from 40010 to 40077. They cover 6 places, among them La Grange, Buckner, Crestwood and Goshen.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 40010 | Buckner | 1.5 | 38.373, -85.451 |
| 40014 | Crestwood | 52.1 | 38.333, -85.461 |
| 40026 | Goshen | 31.0 | 38.411, -85.571 |
| 40031 | La Grange | 66.9 | 38.403, -85.393 |
| 40032 | La Grange | no area | 38.405, -85.460 |
| 40056 | Pewee Valley | 3.0 | 38.304, -85.483 |
| 40077 | Westport | 7.8 | 38.492, -85.452 |
The ZIP code areas of Oldham County add up to about 162 square miles of land (420 sq km) as the Census Bureau draws them. The largest is 40031 (La Grange), with 66.9 square miles.
Places with more than one code here: La Grange (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Buckner, KY 40010.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.