Monroe County ZIP Codes
Illinois, United States · 7 codes
Monroe County in Illinois has 7 ZIP codes, from 62236 to 62298, serving 7 places.
ZIP codes in Monroe
Frequently asked questions
What is the ZIP code of Monroe?
Monroe has 7 ZIP codes, from 62236 to 62298. The table lists the places each one serves.
How many places are listed in Monroe 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.