63753 -- U.S. ZIP code Municipality (1990): GRASSY, Missouri All ZIPs for this municipality (1990): 63753 Population (2000): 259 Housing Units (2000): 152 Land area (2000): 28.592835 sq. miles (74.055100 sq. km) Water area (2000): 0.033552 sq. miles (0.086898 sq. km) Total area (2000): 28.626387 sq. miles (74.141998 sq. km) Located within: Missouri (MO) Location: 37.212218 N, 90.131053 W