35670 -- U.S. ZIP code Municipality (1990): SOMERVILLE, Alabama All ZIPs for this municipality (1990): 35670 Population (2000): 7238 Housing Units (2000): 2954 Land area (2000): 102.835836 sq. miles (266.343580 sq. km) Water area (2000): 0.493994 sq. miles (1.279439 sq. km) Total area (2000): 103.329830 sq. miles (267.623019 sq. km) Located within: Alabama (AL) Location: 34.481885 N, 86.752503 W