35660 -- U.S. ZIP code Municipality (1990): SHEFFIELD, Alabama All ZIPs for this municipality (1990): 35660 Population (2000): 9478 Housing Units (2000): 4696 Land area (2000): 7.112773 sq. miles (18.421996 sq. km) Water area (2000): 0.005883 sq. miles (0.015238 sq. km) Total area (2000): 7.118656 sq. miles (18.437234 sq. km) Located within: Alabama (AL) Location: 34.759738 N, 87.693178 W