31606 -- U.S. ZIP code Population (2000): 3616 Housing Units (2000): 1442 Land area (2000): 45.104546 sq. miles (116.820233 sq. km) Water area (2000): 0.101880 sq. miles (0.263869 sq. km) Total area (2000): 45.206426 sq. miles (117.084102 sq. km) Located within: Georgia (GA) Location: 30.802411 N, 83.196248 W