Hancock County ZIP Codes
Illinois, United States · 16 codes
Hancock County in Illinois has 16 ZIP codes, from 61450 to 62380, serving 16 places.
ZIP codes in Hancock
Frequently asked questions
What is the ZIP code of Hancock?
Hancock has 16 ZIP codes, from 61450 to 62380. The table lists the places each one serves.
How many places are listed in Hancock County?
16 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.