What is 858 area code?

The 858 area code is located in the state of California, covering the northern part of San Diego County. It was created in 1999 as an overlay to the 619 area code. Cities and communities served by the 858 area code include San Diego, Del Mar, Poway, Rancho Santa Fe, Solana Beach, and parts of La Jolla.

The 858 area code is part of the Pacific Time Zone and is currently used by both landline and mobile phone numbers in the region. It is one of the most populous area codes in California and is known for its high standard of living, beautiful beaches, and diverse communities.