64434 -- U.S. ZIP code Municipality (1990): CONCEPTION JUNCT, Missouri All ZIPs for this municipality (1990): 64434 Population (2000): 489 Housing Units (2000): 196 Land area (2000): 33.331153 sq. miles (86.327287 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 33.331153 sq. miles (86.327287 sq. km) Located within: Missouri (MO) Location: 40.264258 N, 94.733792 W