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Area Code 310 Information

State: CA - California
Active: True

Area code 310 is the California telephone area code which was split from Area code 213 on November 2, 1991. Area code 310 is roughly coterminous with the West Los Angeles and South Bay areas of Los Angeles County, including offshore Catalina Island, located 40 km (26 mi.) south of the mainland portion of Los Angeles County.

Related Area Codes: 424, 562

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