Ohio County ZIP Codes
Kentucky, United States · 11 codes
Ohio County in Kentucky has 11 ZIP codes, from 42320 to 42370, serving 11 places.
ZIP codes in Ohio
Frequently asked questions
What is the ZIP code of Ohio?
Ohio has 11 ZIP codes, from 42320 to 42370. The table lists the places each one serves.
How many places are listed in Ohio County?
11 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.