30673 -- U.S. ZIP code Municipality (1990): WASHINGTON, Georgia All ZIPs for this municipality (1990): 30673 Population (2000): 8085 Housing Units (2000): 3673 Land area (2000): 277.260728 sq. miles (718.101958 sq. km) Water area (2000): 2.381011 sq. miles (6.166789 sq. km) Total area (2000): 279.641739 sq. miles (724.268747 sq. km) Located within: Georgia (GA) Location: 33.728754 N, 82.726122 W