21810

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

21810 -- U.S. ZIP code
   Population (2000):    38
   Housing Units (2000): 18
   Land area (2000):     0.059755 sq. miles (0.154764 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.059755 sq. miles (0.154764 sq. km)
   Located within:       Maryland (MD)
   Location:             38.292848 N, 75.688125 W