63873 -- U.S. ZIP code Municipality (1990): PORTAGEVILLE, Missouri All ZIPs for this municipality (1990): 63873 Population (2000): 5175 Housing Units (2000): 2178 Land area (2000): 235.401470 sq. miles (609.686982 sq. km) Water area (2000): 0.794904 sq. miles (2.058791 sq. km) Total area (2000): 236.196374 sq. miles (611.745773 sq. km) Located within: Missouri (MO) Location: 36.436042 N, 89.688512 W