30411 -- U.S. ZIP code Municipality (1990): ALAMO, Georgia All ZIPs for this municipality (1990): 30411 Population (2000): 3589 Housing Units (2000): 1175 Land area (2000): 159.476035 sq. miles (413.041017 sq. km) Water area (2000): 0.214957 sq. miles (0.556735 sq. km) Total area (2000): 159.690992 sq. miles (413.597752 sq. km) Located within: Georgia (GA) Location: 32.146031 N, 82.792005 W