858 Area Code: Cities, Time Zone and Zip Codes
What area code is 858? The area code 858 is in California and it serves San Diego, Chula Vista, El Cajon, National City, La Mesa, Santee, Poway, La Presa, Spring Valley, Imperial Beach, and some other surrounding cities. The area code 858 was created from area code 619 on June 30, 1998, and was first