35143 -- U.S. ZIP code Municipality (1990): SHELBY, Alabama All ZIPs for this municipality (1990): 35143 Population (2000): 3337 Housing Units (2000): 2173 Land area (2000): 36.387303 sq. miles (94.242677 sq. km) Water area (2000): 2.215722 sq. miles (5.738693 sq. km) Total area (2000): 38.603025 sq. miles (99.981370 sq. km) Located within: Alabama (AL) Location: 33.080971 N, 86.538755 W