Yukon-Koyukuk Census Area Alaska is covered by a total of 40 ZIP Codes. There are 11 ZIP Codes in Yukon-Koyukuk Census Area that extend into adjacent counties (Bethel Census Area, Denali Borough, Fairbanks North Star Borough, Matanuska-Susitna Borough, Nome Census Area, Northwest Arctic Borough, and Southeast Fairbanks Census Area). Of the ZIP codes within or partially within Yukon-Koyukuk Census Area there are 5 Standard ZIP Codes and 35 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 Yukon-Koyukuk Census Area and can be turned on and off. Each type of postal code can also be turned on and off.