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  5. Area Code 310

Where Is Area Code 310?

Area code 310 is found in the US state of California. Primarily servicing the city of Long Beach (population: 478877), area code 310 covers 1 county of California.

Located in the Pacific time zone, area code 310 is on the same time as Los Angeles, CA.

Area code 310 was brought into effect on November 2, 1991. 310 was split from the parent 213 area code.

Map of  with area code 310 highlighted

Counties in Area Code 310

  • Los Angeles.

Most Populous Cities in Area Code 310

City County City Population Time Zone
Long Beach Los Angeles 478,877 PST
Torrance Los Angeles 176,911 PST
Inglewood Los Angeles 137,205 PST
Compton Los Angeles 136,880 PST
Hawthorne Los Angeles 94,561 PST
Santa Monica Los Angeles 93,392 PST
Gardena Los Angeles 85,337 PST
Carson Los Angeles 84,462 PST
San Pedro Los Angeles 81,963 PST
Redondo Beach Los Angeles 76,470 PST
Lynwood Los Angeles 70,769 PST
Wilmington Los Angeles 54,605 PST
Culver City Los Angeles 47,603 PST
Rancho Palos Verdes Los Angeles 42,417 PST
Beverly Hills Los Angeles 42,341 PST
Manhattan Beach Los Angeles 35,650 PST
Lawndale Los Angeles 35,440 PST
Venice Los Angeles 28,757 PST
Harbor City Los Angeles 25,830 PST
Palos Verdes Peninsula Los Angeles 25,579 PST
Pacific Palisades Los Angeles 23,323 PST
Marina del Rey Los Angeles 21,892 PST
Lomita Los Angeles 21,631 PST
Malibu Los Angeles 20,017 PST
Hermosa Beach Los Angeles 19,792 PST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.