30340 -- U.S. ZIP code Municipality (1990): DORAVILLE, Georgia All ZIPs for this municipality (1990): 30340 Population (2000): 26997 Housing Units (2000): 10389 Land area (2000): 8.504624 sq. miles (22.026874 sq. km) Water area (2000): 0.008594 sq. miles (0.022258 sq. km) Total area (2000): 8.513218 sq. miles (22.049132 sq. km) Located within: Georgia (GA) Location: 33.899381 N, 84.253673 W