Weld County Colorado is covered by a total of 48 ZIP Codes. There are 17 ZIP Codes in Weld County that extend into adjacent counties (Adams County, Boulder County, Broomfield County, Larimer County, Logan County, Morgan County, and Washington County). Of the ZIP codes within or partially within Weld County there are 38 Standard ZIP Codes, 3 Unique 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 Weld County and can be turned on and off. Each type of postal code can also be turned on and off.