30228 -- U.S. ZIP code Municipality (1990): HAMPTON, Georgia All ZIPs for this municipality (1990): 30228 Population (2000): 21184 Housing Units (2000): 7362 Land area (2000): 75.680191 sq. miles (196.010787 sq. km) Water area (2000): 0.558108 sq. miles (1.445494 sq. km) Total area (2000): 76.238299 sq. miles (197.456281 sq. km) Located within: Georgia (GA) Location: 33.401827 N, 84.301521 W