31316 -- U.S. ZIP code Municipality (1990): LUDOWICI, Georgia All ZIPs for this municipality (1990): 31316 Population (2000): 5878 Housing Units (2000): 2453 Land area (2000): 289.793618 sq. miles (750.561992 sq. km) Water area (2000): 0.348677 sq. miles (0.903068 sq. km) Total area (2000): 290.142295 sq. miles (751.465060 sq. km) Located within: Georgia (GA) Location: 31.749910 N, 81.758132 W