64035 -- U.S. ZIP code Municipality (1990): HARDIN, Missouri All ZIPs for this municipality (1990): 64035 Population (2000): 1066 Housing Units (2000): 455 Land area (2000): 82.749706 sq. miles (214.320745 sq. km) Water area (2000): 0.224902 sq. miles (0.582493 sq. km) Total area (2000): 82.974608 sq. miles (214.903238 sq. km) Located within: Missouri (MO) Location: 39.295960 N, 93.821647 W