Winnebago County Iowa ZIP Codes - Map and Full List

Winnebago County Iowa is covered by a total of 11 ZIP Codes. There are 7 ZIP Codes in Winnebago County that extend into adjacent counties (Cerro Gordo County, Hancock County, Kossuth County, and Worth County). Of the ZIP codes within or partially within Winnebago County there are 9 Standard ZIP Codes and 1 PO Box ZIP Codes.

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Winnebago County Iowa 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 Winnebago County and can be turned on and off. Each type of postal code can also be turned on and off.

List of ZIP Codes in Winnebago County

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