31909 -- U.S. ZIP code Municipality (1990): COLUMBUS, Georgia All ZIPs for this municipality (1990): 31901 31903 31904 31906 31907 31909 Population (2000): 27872 Housing Units (2000): 11194 Land area (2000): 15.944196 sq. miles (41.295276 sq. km) Water area (2000): 0.174910 sq. miles (0.453015 sq. km) Total area (2000): 16.119106 sq. miles (41.748291 sq. km) Located within: Georgia (GA) Location: 32.535540 N, 84.925830 W