21791

from U.S. Gazetteer Zip Code Tabulation Areas (2000)
21791 -- U.S. ZIP code
   Municipality (1990):  UNIONVILLE, Maryland
   All ZIPs for this municipality (1990):
                         21791
   Population (2000):    5413
   Housing Units (2000): 1985
   Land area (2000):     48.814197 sq. miles (126.428184 sq. km)
   Water area (2000):    0.000358 sq. miles (0.000928 sq. km)
   Total area (2000):    48.814555 sq. miles (126.429112 sq. km)
   Located within:       Maryland (MD)
   Location:             39.554900 N, 77.181764 W
    

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