64064 -- U.S. ZIP code Municipality (1990): LEES SUMMIT, Missouri All ZIPs for this municipality (1990): 64064 64081 64082 Population (2000): 11265 Housing Units (2000): 4293 Land area (2000): 21.753214 sq. miles (56.340562 sq. km) Water area (2000): 0.573355 sq. miles (1.484983 sq. km) Total area (2000): 22.326569 sq. miles (57.825545 sq. km) Located within: Missouri (MO) Location: 38.988610 N, 94.364748 W