Fond Du Lac County, located in the state of Wisconsin, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Fond Du Lac County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
54904
53963
53010
54937
53014
53006
54979
53946
53023
54932
54964
53079
53048
53011
54935
54971
54936
53919
53931
53065
53061
53040
53049
53057
53019
54974

To know more about Fond Du Lac County, click the button below:

Fond Du Lac County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Fond Du Lac County County?

There are approximately 26 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Fond Du Lac County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.