Cerritos, CA is currently using one area code which is area code 562. Area code 562 was created from a split of area code 310 and put into service on January 25, 1997.
In addition to Cerritos, CA area code 562 serves most of southeastern Los Angeles County including the larger cities and communities of Bellflower, Cerritos, Downey, La Habra, La Mirada, Lakewood, Long Beach, Norwalk, Paramount, Pico Rivera, Seal Beach, South Whittier, West Whittier, and Whittier in addition to many smaller communities within the area code 562 service area.
Cerritos, CA is located in Los Angeles County and observes the Pacific Time Zone. View our Times by Area Code tool.