Monroe County ZIP Codes
Michigan, United States · 18 codes
Monroe County in Michigan has 18 ZIP codes, from 48110 to 49270, serving 18 places.
ZIP codes in Monroe
Frequently asked questions
What is the ZIP code of Monroe?
Monroe has 18 ZIP codes, from 48110 to 49270. The table lists the places each one serves.
How many places are listed in Monroe County?
18 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.