21664

from U.S. Gazetteer Zip Code Tabulation Areas (2000)

21664 -- U.S. ZIP code
   Population (2000):    503
   Housing Units (2000): 218
   Land area (2000):     0.258731 sq. miles (0.670109 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.258731 sq. miles (0.670109 sq. km)
   Located within:       Maryland (MD)
   Location:             38.609886 N, 75.949006 W