Zip code 35040 is primarily located in Shelby County. Portions of 35040 are also located in Chilton County. The official postal service name used for 35040 is CALERA, Alabama. Portions of the 35040 zip code are contained within or border the city limits of Calera, AL, Alabaster, AL, and Montevallo, AL. The 35040 area code is 205.