Winona County ZIP Codes
Minnesota, United States · 10 codes
Winona County in Minnesota has 10 ZIP codes, from 55910 to 55988, serving 10 places.
ZIP codes in Winona
Frequently asked questions
What is the ZIP code of Winona?
Winona has 10 ZIP codes, from 55910 to 55988. The table lists the places each one serves.
How many places are listed in Winona County?
10 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.