Washington County Wisconsin ZIP Codes - Map and Full List

Washington County Wisconsin is covered by a total of 15 ZIP Codes. There are 7 ZIP Codes in Washington County that extend into adjacent counties (Dodge County, Fond Du Lac County, Ozaukee County, Sheboygan County, and Waukesha County). Of the ZIP codes within or partially within Washington County there are 14 Standard ZIP Codes and 1 PO Box ZIP Codes.

Map List Related

Washington County Wisconsin ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Washington County and can be turned on and off. Each type of postal code can also be turned on and off.

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