Fond du Lac County ZIP Codes
Wisconsin, United States · 15 codes
Fond du Lac County in Wisconsin has 15 ZIP codes, from 53010 to 54979, serving 15 places.
ZIP codes in Fond du Lac
Frequently asked questions
What is the ZIP code of Fond du Lac?
Fond du Lac has 15 ZIP codes, from 53010 to 54979. The table lists the places each one serves.
How many places are listed in Fond du Lac County?
15 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.