Shiawassee County Michigan ZIP Codes - Map and Full List

Shiawassee County Michigan is covered by a total of 20 ZIP Codes. There are 14 ZIP Codes in Shiawassee County that extend into adjacent counties (Clinton County, Genesee County, Gratiot County, Ingham County, Livingston County, and Saginaw County). Of the ZIP codes within or partially within Shiawassee County there are 18 Standard ZIP Codes and 2 PO Box ZIP Codes.

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

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