31022 -- U.S. ZIP code Municipality (1990): DUDLEY, Georgia All ZIPs for this municipality (1990): 31022 Population (2000): 1055 Housing Units (2000): 472 Land area (2000): 44.128725 sq. miles (114.292867 sq. km) Water area (2000): 0.154549 sq. miles (0.400280 sq. km) Total area (2000): 44.283274 sq. miles (114.693147 sq. km) Located within: Georgia (GA) Location: 32.516865 N, 83.099053 W