what area code is 310 belong to

The 310 area code is located in California and serves part of Los Angeles, CA and the surrounding areas. It covers southwestern coastal and coastal-adjacent areas of Los Angeles County, including Beverly Hills, Brentwood, Malibu, Pacific Palisades, Redondo Beach, Santa Monica, and Torrance, as well as Santa Catalina Island. The 310 area code was created in a split from area code 213 on November 2, 1991, and was split again in 1997, creating area code 562 for the southeast portion of Los Angeles County and a large portion of Orange County. In 2006, area code 424 was added to the remaining numbering plan area on July 26, 2006, in an overlay plan, the first in California.