21920

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

21920 -- U.S. ZIP code
   Population (2000):    124
   Housing Units (2000): 49
   Land area (2000):     0.135491 sq. miles (0.350919 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.135491 sq. miles (0.350919 sq. km)
   Located within:       Maryland (MD)
   Location:             39.658943 N, 75.823143 W