Washtenaw County Michigan ZIP Codes - Map and Full List

Washtenaw County Michigan is covered by a total of 30 ZIP Codes. There are 14 ZIP Codes in Washtenaw County that extend into adjacent counties (Ingham County, Jackson County, Lenawee County, Livingston County, Monroe County, Oakland County, and Wayne County). Of the ZIP codes within or partially within Washtenaw County there are 23 Standard ZIP Codes and 6 PO Box ZIP Codes.

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

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