64656 -- U.S. ZIP code Municipality (1990): LUDLOW, Missouri All ZIPs for this municipality (1990): 64656 Population (2000): 379 Housing Units (2000): 181 Land area (2000): 34.145548 sq. miles (88.436560 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 34.145548 sq. miles (88.436560 sq. km) Located within: Missouri (MO) Location: 39.671985 N, 93.677184 W