31037 -- U.S. ZIP code Municipality (1990): HELENA, Georgia All ZIPs for this municipality (1990): 31037 Population (2000): 3358 Housing Units (2000): 1073 Land area (2000): 67.748026 sq. miles (175.466575 sq. km) Water area (2000): 0.041968 sq. miles (0.108697 sq. km) Total area (2000): 67.789994 sq. miles (175.575272 sq. km) Located within: Georgia (GA) Location: 32.094127 N, 82.917133 W