30218 -- U.S. ZIP code Municipality (1990): ALVATON, Georgia All ZIPs for this municipality (1990): 30218 Population (2000): 1865 Housing Units (2000): 692 Land area (2000): 70.348585 sq. miles (182.201992 sq. km) Water area (2000): 0.254254 sq. miles (0.658516 sq. km) Total area (2000): 70.602839 sq. miles (182.860508 sq. km) Located within: Georgia (GA) Location: 33.121379 N, 84.587764 W