Denver County Colorado is covered by a total of 55 ZIP Codes. There are 11 ZIP Codes in Denver County that extend into adjacent counties (Adams County, Arapahoe County, and Jefferson County). Of the ZIP codes within or partially within Denver County there are 36 Standard ZIP Codes, 14 Unique ZIP Codes and 4 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 Denver County and can be turned on and off. Each type of postal code can also be turned on and off.