Knox County ZIP Codes
Missouri, United States · 7 codes
Knox County in Missouri has 7 ZIP codes, from 63446 to 63547, serving 7 places.
ZIP codes in Knox
Frequently asked questions
What is the ZIP code of Knox?
Knox has 7 ZIP codes, from 63446 to 63547. The table lists the places each one serves.
How many places are listed in Knox County?
7 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.