213 area code is one of the first three area codes created for California in 1947. As of right now, it covers only downtown Los Angeles and its direct surroundings. Originally, area code 213 was assigned to all of Southern California. Through time, it has been divided and split into many area codes, and now it is completely surrounded by area code 323. Here are the suddivisions to date:

Area code 714 (a quick-cut during 1951)

Area code 805 (a quick-cut during 1957)

Area code 619 (split from 714 on November 5, 1982)

Area code 818 (January 7th, 1984)

Area code 310 (November 2nd, 1991)

Area code 909 (split from 714 on November 14, 1992)

Area code 562 (split from 310 on January 25th, 1997)

Area code 760 (split from 619 on March 22, 1997)

Area code 626 (split from 818 on June 14, 1997)

Area code 949 (split from 714 on April 18th, 1998)

Area code 323 (June 13th, 1998)

Area code 661 (split from 805 on February 13th, 1999)

Area code 858 (split from 619 on June 12th, 1999)

Area code 951 (split from 909 on July 17, 2004)

Area code 424 (overlay of 310 created on August 26, 2006)

Area code 657 (overlay of 714 created on September 20, 2007)