64056 -- U.S. ZIP code Municipality (1990): INDEPENDENCE, Missouri All ZIPs for this municipality (1990): 64050 64052 64053 64055 64056 64057 64058 Population (2000): 15357 Housing Units (2000): 5651 Land area (2000): 21.673045 sq. miles (56.132926 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 21.673045 sq. miles (56.132926 sq. km) Located within: Missouri (MO) Location: 39.115776 N, 94.348468 W