31649 -- U.S. ZIP code Municipality (1990): STOCKTON, Georgia All ZIPs for this municipality (1990): 31649 Population (2000): 885 Housing Units (2000): 384 Land area (2000): 52.889832 sq. miles (136.984030 sq. km) Water area (2000): 0.172414 sq. miles (0.446549 sq. km) Total area (2000): 53.062246 sq. miles (137.430579 sq. km) Located within: Georgia (GA) Location: 30.957421 N, 83.005245 W