64645 -- U.S. ZIP code Municipality (1990): HARRIS, Missouri All ZIPs for this municipality (1990): 64645 Population (2000): 289 Housing Units (2000): 137 Land area (2000): 66.970077 sq. miles (173.451697 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 66.970077 sq. miles (173.451697 sq. km) Located within: Missouri (MO) Location: 40.299574 N, 93.332730 W