20176

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

20176 -- U.S. ZIP code
   Population (2000):    19410
   Housing Units (2000): 7033
   Land area (2000):     57.540432 sq. miles (149.029029 sq. km)
   Water area (2000):    0.029500 sq. miles (0.076404 sq. km)
   Total area (2000):    57.569932 sq. miles (149.105433 sq. km)
   Located within:       Virginia (VA)
   Location:             39.138978 N, 77.545192 W