31643 -- U.S. ZIP code Municipality (1990): QUITMAN, Georgia All ZIPs for this municipality (1990): 31643 Population (2000): 9387 Housing Units (2000): 4068 Land area (2000): 265.105477 sq. miles (686.620005 sq. km) Water area (2000): 2.247401 sq. miles (5.820741 sq. km) Total area (2000): 267.352878 sq. miles (692.440746 sq. km) Located within: Georgia (GA) Location: 30.783639 N, 83.553437 W