35150 -- U.S. ZIP code Municipality (1990): SYLACAUGA, Alabama All ZIPs for this municipality (1990): 35150 Population (2000): 18592 Housing Units (2000): 8358 Land area (2000): 64.212947 sq. miles (166.310763 sq. km) Water area (2000): 0.209799 sq. miles (0.543376 sq. km) Total area (2000): 64.422746 sq. miles (166.854139 sq. km) Located within: Alabama (AL) Location: 33.185782 N, 86.251059 W