Oakland County Michigan is covered by a total of 89 ZIP Codes. There are 8 ZIP Codes in Oakland County that extend into adjacent counties (Genesee County, Lapeer County, Livingston County, Washtenaw County, and Wayne County). Of the ZIP codes within or partially within Oakland County there are 70 Standard ZIP Codes and 19 PO Box ZIP Codes.
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 Oakland County and can be turned on and off. Each type of postal code can also be turned on and off.