20850 -- U.S. ZIP code
Municipality (1990): ROCKVILLE, Maryland
All ZIPs for this municipality (1990):
20850 20851 20852 20853
Population (2000): 33557
Housing Units (2000): 12548
Land area (2000): 14.374334 sq. miles (37.229352 sq. km)
Water area (2000): 0.007512 sq. miles (0.019457 sq. km)
Total area (2000): 14.381846 sq. miles (37.248809 sq. km)
Located within: Maryland (MD)
Location: 39.093408 N, 77.171801 W