63448 -- U.S. ZIP code Municipality (1990): LA GRANGE, Missouri All ZIPs for this municipality (1990): 63448 Population (2000): 1679 Housing Units (2000): 820 Land area (2000): 53.214551 sq. miles (137.825048 sq. km) Water area (2000): 0.886258 sq. miles (2.295398 sq. km) Total area (2000): 54.100809 sq. miles (140.120446 sq. km) Located within: Missouri (MO) Location: 40.044294 N, 91.518030 W