30648 -- U.S. ZIP code Municipality (1990): LEXINGTON, Georgia All ZIPs for this municipality (1990): 30648 Population (2000): 2237 Housing Units (2000): 922 Land area (2000): 81.418202 sq. miles (210.872165 sq. km) Water area (2000): 0.444392 sq. miles (1.150970 sq. km) Total area (2000): 81.862594 sq. miles (212.023135 sq. km) Located within: Georgia (GA) Location: 33.863779 N, 83.060636 W