Jefferson Parish Louisiana is covered by a total of 34 ZIP Codes. There are 1 ZIP Codes in Jefferson Parish that extend into adjacent counties ( and Saint Charles Parish). Of the ZIP codes within or partially within Jefferson Parish there are 17 Standard ZIP Codes, 1 Unique ZIP Codes and 15 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 Jefferson Parish and can be turned on and off. Each type of postal code can also be turned on and off.