Mercer County ZIP Codes
Missouri, United States · 2 codes
Mercer County in Missouri has 2 ZIP codes, from 64661 to 64673, serving 2 places.
ZIP codes in Mercer
Frequently asked questions
What is the ZIP code of Mercer?
Mercer has 2 ZIP codes, from 64661 to 64673. The table lists the places each one serves.
How many places are listed in Mercer County?
2 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.