Passaic County New Jersey is covered by a total of 40 ZIP Codes. There are 5 ZIP Codes in Passaic County that extend into adjacent counties (Morris County, and Sussex County). Of the ZIP codes within or partially within Passaic County there are 31 Standard ZIP Codes and 9 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 Passaic County and can be turned on and off. Each type of postal code can also be turned on and off.