Receive a local area code
858
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Economic Overview
The 858 area code region is an economic hub known for its concentration of high-tech, biotech, telecommunications, and defense industries. Major employers include Qualcomm, Illumina, and the University of California, San Diego (UCSD), as well as numerous research institutes and technology firms clustered around Sorrento Valley and Torrey Pines. The area also benefits from a robust service sector and tourism due to its coastal location.
Geographical Overview
Area code 858 covers northwestern portions of San Diego County, primarily serving the northern part of the City of San Diego and surrounding communities. Key neighborhoods and cities include La Jolla, Del Mar, Carmel Valley, Mira Mesa, Rancho Peñasquitos, Scripps Ranch, and Torrey Pines. The area is characterized by both residential communities and business districts.
Location Info
The 858 area code is situated entirely within San Diego County, California, and was split from the 619 area code in 1999. Its boundaries generally run north from the I-8 freeway to the southern edge of Rancho Bernardo, west to the Pacific Ocean, and east to include communities like Scripps Ranch and parts of Poway. It does not include downtown San Diego or southern coastal communities.
Population Demographics
The 858 area code region is known for its highly educated and affluent population, with a mix of professionals, students, and families. The area is ethnically diverse, with significant Asian and Hispanic communities alongside a large white population. It is also home to a substantial number of students and academics due to UCSD.
Time Zone Info
Area code 858 is in the Pacific Time Zone (PT), observing both standard and daylight saving time.
Other Area Code Details
The 858 region is notable for its proximity to the world-renowned Torrey Pines Golf Course and State Reserve, biotech research corridor, and some of San Diego’s most prestigious residential neighborhoods. The area code is often associated with innovation and affluence, and it includes portions of the iconic Pacific coastline.
