30427 -- U.S. ZIP code Municipality (1990): GLENNVILLE, Georgia All ZIPs for this municipality (1990): 30427 Population (2000): 11490 Housing Units (2000): 4407 Land area (2000): 263.669754 sq. miles (682.901500 sq. km) Water area (2000): 2.296094 sq. miles (5.946856 sq. km) Total area (2000): 265.965848 sq. miles (688.848356 sq. km) Located within: Georgia (GA) Location: 31.945767 N, 81.935940 W