64098 -- U.S. ZIP code Municipality (1990): WESTON, Missouri All ZIPs for this municipality (1990): 64098 Population (2000): 2943 Housing Units (2000): 1222 Land area (2000): 78.425904 sq. miles (203.122149 sq. km) Water area (2000): 0.100721 sq. miles (0.260866 sq. km) Total area (2000): 78.526625 sq. miles (203.383015 sq. km) Located within: Missouri (MO) Location: 39.445387 N, 94.898331 W