area code
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Biggest city:
Los Angeles
State:
California
Timezone:
Pacific (GMT -8)
Population:
3,769,485
Nearby area codes:
213
323
Major Cities:
Los Angeles, Torrance, Inglewood, Compton, Carson, Santa Monica, Hawthorne, Lakewood, Lynwood, Redondo Beach, Gardena, Rancho Palos Verdes, Culver City, West Hollywood, Manhattan Beach, Beverly Hills, Lawndale, Lennox
Zip codes:
90001
90099
Unemployment Rate:
6.20%
Average Income:
$98,200
Los Angeles, CA
area code summary
310
310
Area code 310 serves the Westside of Los Angeles and the South Bay region of California, including cities such as Santa Monica, Beverly Hills, Culver City, and Manhattan Beach. Introduced in 1991 as a split from 213, 310 quickly became one of the most desirable area codes in the United States, associated with celebrity, luxury, and innovation. It now shares coverage with overlay 424. The region is home to entertainment studios, tech companies, and major universities like UCLA. Silicon Beach, which includes Venice and Playa Vista, is a rapidly expanding startup and digital media scene. The South Bay area offers aerospace, logistics, and beachfront living. Whether you're managing real estate, film production, or tech services, a 310 number signals credibility in one of the most prestigious ZIP codes in the world. It evokes wealth, creativity, and a coastal California lifestyle.
The 310 area code is an integral part of California's telecommunications network, serving the western and southwestern portions of Los Angeles County.
Establishment and Geographic Coverage: The 310 area code was created on November 2, 1991, as a split from the 213 area code. This division was implemented to accommodate the increasing demand for new telephone numbers in the rapidly growing region. The 310 area code covers the western parts of Los Angeles County, including cities like Beverly Hills, Santa Monica, and Torrance, as well as portions of the southwestern Los Angeles area.
Economic and Cultural Significance: The region served by the 310 area code is economically and culturally diverse, encompassing major business districts, affluent residential areas, and iconic cultural landmarks. The area is home to the entertainment industry in Hollywood, prestigious universities, and numerous tourist attractions, playing a significant role in California's economy and cultural identity.
Introduction of Overlay Area Code and Ten-Digit Dialing: To address the need for more telephone numbers, the 424 area code was introduced as an overlay to the 310 area code in 2006. This overlay required the implementation of ten-digit dialing (area code + phone number) for all local calls within the region. The introduction of the 424 overlay and the shift to ten-digit dialing reflect the ongoing growth and technological development of the Los Angeles area.
These facts about the 310 area code underscore its crucial role in supporting the dynamic telecommunications needs of western and southwestern Los Angeles County. By accommodating the region's growing and diverse communication requirements, the 310 area code, along with its overlay 424, ensures efficient connectivity for one of California's most populous and influential regions.
Fun fact 💡
Santa Monica’s Ferris wheel was the world’s first solar-powered one since 1996.
🏢First Phone Company:
Pacific Bell (later AT&T)