Maricopa County Arizona is covered by a total of 201 ZIP Codes. There are 12 ZIP Codes in Maricopa County that extend into adjacent counties (Gila County, Pima County, Pinal County, Yavapai County, and Yuma County). Of the ZIP codes within or partially within Maricopa County there are 140 Standard ZIP Codes, 1 Unique ZIP Codes and 60 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 Maricopa County and can be turned on and off. Each type of postal code can also be turned on and off.