64499 -- U.S. ZIP code Municipality (1990): WORTH, Missouri All ZIPs for this municipality (1990): 64499 Population (2000): 183 Housing Units (2000): 96 Land area (2000): 18.798179 sq. miles (48.687059 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 18.798179 sq. miles (48.687059 sq. km) Located within: Missouri (MO) Location: 40.402118 N, 94.440245 W