ZIP code · White Mills · Kentucky · United States
ZIP code 42788 — White Mills
ZIP code 42788 serves White Mills, Kentucky.
- Postal code
- 42788Single source Value from one source, not cross-checked.
- City
- White Mills
- County
- Hardin
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.5438, -86.0395 — precision precise (locality)
View on OpenStreetMap - Population
- 339 (ZCTA, ACS 5-year)
- Median household income
- $53,668
- Median age
- 41.4
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area codes
- 270, 364 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page