64465 -- U.S. ZIP code Municipality (1990): LATHROP, Missouri All ZIPs for this municipality (1990): 64465 Population (2000): 4002 Housing Units (2000): 1757 Land area (2000): 94.428521 sq. miles (244.568737 sq. km) Water area (2000): 0.343851 sq. miles (0.890570 sq. km) Total area (2000): 94.772372 sq. miles (245.459307 sq. km) Located within: Missouri (MO) Location: 39.535467 N, 94.306336 W