Muhlenberg County ZIP Codes
Kentucky, United States · 13 codes
Muhlenberg County in Kentucky has 13 ZIP codes, from 42321 to 42374, serving 13 places.
ZIP codes in Muhlenberg
Frequently asked questions
What is the ZIP code of Muhlenberg?
Muhlenberg has 13 ZIP codes, from 42321 to 42374. The table lists the places each one serves.
How many places are listed in Muhlenberg County?
13 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.