31323 -- U.S. ZIP code Municipality (1990): RICEBORO, Georgia All ZIPs for this municipality (1990): 31323 Population (2000): 1659 Housing Units (2000): 688 Land area (2000): 132.687355 sq. miles (343.658657 sq. km) Water area (2000): 1.293787 sq. miles (3.350893 sq. km) Total area (2000): 133.981142 sq. miles (347.009550 sq. km) Located within: Georgia (GA) Location: 31.658252 N, 81.487787 W