Knox County ZIP Codes
Kentucky, United States · 17 codes
Knox County in Kentucky has 17 ZIP codes, from 40734 to 40997, serving 17 places.
ZIP codes in Knox
Frequently asked questions
What is the ZIP code of Knox?
Knox has 17 ZIP codes, from 40734 to 40997. The table lists the places each one serves.
How many places are listed in Knox County?
17 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.