63655 -- U.S. ZIP code Municipality (1990): MARQUAND, Missouri All ZIPs for this municipality (1990): 63655 Population (2000): 1594 Housing Units (2000): 785 Land area (2000): 133.063240 sq. miles (344.632195 sq. km) Water area (2000): 0.091585 sq. miles (0.237205 sq. km) Total area (2000): 133.154825 sq. miles (344.869400 sq. km) Located within: Missouri (MO) Location: 37.416023 N, 90.188862 W