Hardin County ZIP Codes
Illinois, United States · 4 codes
Hardin County in Illinois has 4 ZIP codes, from 62919 to 62982, serving 4 places.
ZIP codes in Hardin
Frequently asked questions
What is the ZIP code of Hardin?
Hardin has 4 ZIP codes, from 62919 to 62982. The table lists the places each one serves.
How many places are listed in Hardin County?
4 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.