Lancaster County Pennsylvania is covered by a total of 80 ZIP Codes. There are 13 ZIP Codes in Lancaster County that extend into adjacent counties (Berks County, Chester County, Dauphin County, and Lebanon County). Of the ZIP codes within or partially within Lancaster County there are 52 Standard ZIP Codes, 3 Unique ZIP Codes and 25 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 Lancaster County and can be turned on and off. Each type of postal code can also be turned on and off.