San Diego County Area Codes

About San Diego County Area Codes

The county of San Diego County, located in California, is served by 5 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in San Diego County include 442, 619, 760, 858, 949. The county mainly follows the America/Los_Angeles time zone.

Cities and towns served by these area codes in San Diego County include Carlsbad, Chula Vista, Coronado, El Cajon, Encinitas, Escondido, Fallbrook, Imperial Beach, La Mesa, La Presa, Lemon Grove, National City, Oceanside, Poway, Rancho San Diego, San Clemente, San Diego, San Marcos, Santee, Spring Valley, Vista.

List of Area Codes in San Diego County, California

The table below lists all telephone area codes used in San Diego County, California, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in California
• Individual area code details are available from the table above.