63040 -- U.S. ZIP code Municipality (1990): GROVER, Missouri All ZIPs for this municipality (1990): 63040 Population (2000): 8300 Housing Units (2000): 3106 Land area (2000): 4.606270 sq. miles (11.930185 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.606270 sq. miles (11.930185 sq. km) Located within: Missouri (MO) Location: 38.575835 N, 90.618783 W