31555 -- U.S. ZIP code Municipality (1990): ODUM, Georgia All ZIPs for this municipality (1990): 31555 Population (2000): 2592 Housing Units (2000): 1043 Land area (2000): 133.025187 sq. miles (344.533639 sq. km) Water area (2000): 0.271416 sq. miles (0.702964 sq. km) Total area (2000): 133.296603 sq. miles (345.236603 sq. km) Located within: Georgia (GA) Location: 31.670475 N, 82.049445 W