Highland County ZIP Codes
Ohio, United States · 7 codes
Highland County in Ohio has 7 ZIP codes, from 45123 to 45172, serving 7 places.
ZIP codes in Highland
Frequently asked questions
What is the ZIP code of Highland?
Highland has 7 ZIP codes, from 45123 to 45172. The table lists the places each one serves.
How many places are listed in Highland 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.