Grundy County Iowa ZIP Codes - Map and Full List

Grundy County Iowa is covered by a total of 17 ZIP Codes. There are 11 ZIP Codes in Grundy County that extend into adjacent counties (Black Hawk County, Butler County, Franklin County, Hardin County, Marshall County, and Tama County). Of the ZIP codes within or partially within Grundy County there are 16 Standard ZIP Codes and 1 PO Box ZIP Codes.

Map List Related

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

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