Brown County ZIP Codes
Illinois, United States · 3 codes
Brown County in Illinois has 3 ZIP codes, from 62353 to 62378, serving 3 places.
ZIP codes in Brown
Frequently asked questions
What is the ZIP code of Brown?
Brown has 3 ZIP codes, from 62353 to 62378. The table lists the places each one serves.
How many places are listed in Brown County?
3 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.