30438 -- U.S. ZIP code Municipality (1990): MANASSAS, Georgia All ZIPs for this municipality (1990): 30438 Population (2000): 222 Housing Units (2000): 112 Land area (2000): 10.400894 sq. miles (26.938190 sq. km) Water area (2000): 0.023775 sq. miles (0.061577 sq. km) Total area (2000): 10.424669 sq. miles (26.999767 sq. km) Located within: Georgia (GA) Location: 32.152792 N, 82.013017 W