64021 -- U.S. ZIP code Municipality (1990): CORDER, Missouri All ZIPs for this municipality (1990): 64021 Population (2000): 785 Housing Units (2000): 345 Land area (2000): 44.350791 sq. miles (114.868016 sq. km) Water area (2000): 0.146135 sq. miles (0.378488 sq. km) Total area (2000): 44.496926 sq. miles (115.246504 sq. km) Located within: Missouri (MO) Location: 39.116219 N, 93.636630 W