21661

from U.S. Gazetteer Zip Code Tabulation Areas (2000)
21661 -- U.S. ZIP code
   Municipality (1990):  ROCK HALL, Maryland
   All ZIPs for this municipality (1990):
                         21661
   Population (2000):    2841
   Housing Units (2000): 1674
   Land area (2000):     35.711933 sq. miles (92.493479 sq. km)
   Water area (2000):    0.369252 sq. miles (0.956358 sq. km)
   Total area (2000):    36.081185 sq. miles (93.449837 sq. km)
   Located within:       Maryland (MD)
   Location:             39.137775 N, 76.227659 W
    

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