31901 -- U.S. ZIP code Municipality (1990): COLUMBUS, Georgia All ZIPs for this municipality (1990): 31901 31903 31904 31906 31907 31909 Population (2000): 8072 Housing Units (2000): 4141 Land area (2000): 3.985369 sq. miles (10.322057 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.985369 sq. miles (10.322057 sq. km) Located within: Georgia (GA) Location: 32.471492 N, 84.980055 W