San Diego Area Codes Map

San Diego, CA Area Codes: List, Map, and Phone Lookup. WebSan Diego, CA Area Codes: List, Map, and Phone Lookup. Area Codes > California > San Diego; The city of San Diego is in.

Area codes 619 and 858 are telephone area codes in the North American Numbering Plan (NANP) for most of San Diego County in the U.S. state of California. Area code 619 was created by a split from area code 714 in 1982, and was the first new area code in California since 707 was added in 1959. Its original numbering plan area was almost all of the southernmost portion of California, from