31717 -- U.S. ZIP code Municipality (1990): BAINBRIDGE, Georgia All ZIPs for this municipality (1990): 31717 Population (2000): 21893 Housing Units (2000): 9398 Land area (2000): 332.286202 sq. miles (860.617275 sq. km) Water area (2000): 1.508456 sq. miles (3.906884 sq. km) Total area (2000): 333.794658 sq. miles (864.524159 sq. km) Located within: Georgia (GA) Location: 30.884525 N, 84.589510 W