20109

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

20109 -- U.S. ZIP code
   Population (2000):    29380
   Housing Units (2000): 11408
   Land area (2000):     20.103477 sq. miles (52.067763 sq. km)
   Water area (2000):    0.007256 sq. miles (0.018793 sq. km)
   Total area (2000):    20.110733 sq. miles (52.086556 sq. km)
   Located within:       Virginia (VA)
   Location:             38.790202 N, 77.512943 W