Adams County Colorado is covered by a total of 36 ZIP Codes. There are 18 ZIP Codes in Adams County that extend into adjacent counties (Arapahoe County, Broomfield County, Denver County, Elbert County, Jefferson County, Morgan County, and Weld County). Of the ZIP codes within or partially within Adams County there are 28 Standard ZIP Codes and 7 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 Adams County and can be turned on and off. Each type of postal code can also be turned on and off.