Placer County California is covered by a total of 36 ZIP Codes. There are 6 ZIP Codes in Placer County that extend into adjacent counties (El Dorado County, Nevada County, Sacramento County, and Sutter County). Of the ZIP codes within or partially within Placer County there are 21 Standard ZIP Codes and 14 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 Placer County and can be turned on and off. Each type of postal code can also be turned on and off.