30708 -- U.S. ZIP code Municipality (1990): CISCO, Georgia All ZIPs for this municipality (1990): 30708 Population (2000): 465 Housing Units (2000): 227 Land area (2000): 33.170268 sq. miles (85.910595 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 33.170268 sq. miles (85.910595 sq. km) Located within: Georgia (GA) Location: 34.945576 N, 84.711304 W