35040 -- U.S. ZIP code Municipality (1990): CALERA, Alabama All ZIPs for this municipality (1990): 35040 Population (2000): 7157 Housing Units (2000): 3005 Land area (2000): 81.849463 sq. miles (211.989128 sq. km) Water area (2000): 0.195445 sq. miles (0.506201 sq. km) Total area (2000): 82.044908 sq. miles (212.495329 sq. km) Located within: Alabama (AL) Location: 33.107572 N, 86.749964 W