35648 -- U.S. ZIP code Municipality (1990): LEXINGTON, Alabama All ZIPs for this municipality (1990): 35648 Population (2000): 3917 Housing Units (2000): 1689 Land area (2000): 59.072048 sq. miles (152.995896 sq. km) Water area (2000): 0.007642 sq. miles (0.019792 sq. km) Total area (2000): 59.079690 sq. miles (153.015688 sq. km) Located within: Alabama (AL) Location: 34.966009 N, 87.382620 W