Anne Arundel County Maryland is covered by a total of 48 ZIP Codes. There are 9 ZIP Codes in Anne Arundel County that extend into adjacent counties (Baltimore City County, Calvert County, Howard County, and Prince Georges County). Of the ZIP codes within or partially within Anne Arundel County there are 40 Standard ZIP Codes, 2 Unique ZIP Codes and 5 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 Anne Arundel County and can be turned on and off. Each type of postal code can also be turned on and off.