310 Area Code

Los Angeles

310 Area Code is a telephone code used in Los Angeles western parts as well as Catalina Island and South Bay, California. 310 area code overlays other three area codes: 323 area code, 424 area code and 818 area code. 310 area code has nearly 786 exchanges.

310 Area Code History

310 area code was made in 1991 in order to meet the increased needs for new telephone numbers in the area that has been using 213 area code. This area code is still in use in the same places as before. It was the beginning of 1997 when 310 area code was split to form 562 area code, since the need for new telephone numbers has increased again. In the following 1998, a relief plan had to be considered. After just several months, the plan was approved. The plan was to create an overlay area code. This was the first overlay of the codes that ever happened in California. Ten-digit dialing was mandatory in both 424 and 310.

310 Area Code Places

Here are the places that use 310 area code:  Avalon, Altadena, Beverly Hills, Carson, Compton, Costa Mesa, Fullerton, Bellflower, Gardena, Anaheim, Downey, Calabasas, Bakersfield, Diamond Bar, Canoga Park, Arcadia, Encino, Hawthorne, La Habra, Culver City, Chatsworth, Hermosa Beach, La Mirada, Bell, Corona Del Mar, Inglewood, Lawndale, Malibu, Los Alamitos, Laguna Niguel, Harbor City, Burbank, Lynwood, Marina Del Ray, Laguna Beach, Manhattan Beach, El Segundo, Los Angeles, Orange, Playa Del Rey, Long Beach, Palo Alto, Rancho Palos Verdes, Garden Grove, San Diego, Santa Ana, Pasadena, La Canada Flintridge, Topanga, Mission Hills, San Pedro, Sun City, Redondo Beach, Union City, Walnut, Torrance, South Gate, San Carlos, Pacific Palisades, Westminster, Seal Beach, Lomita, Palmdale, San Pablo, Venice, Lakewood, San Francisco, Wilmington, Studio City, North Hollywood, Sun Valley, West Holliwood, Santa Monica, Mission Viejo, Van Nuys, Woodland Hills, Sherman Oaks and Palos Verdes Peninsula.

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