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Area Code 858 Information

Area Code 858 Map State: CA - California
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North American Area code 858 is located in San Diego County, California and covers the inner northern suburbs of the City of San Diego, California and the northern half of the city itself, thus including the areas of Del Mar, Poway, La Jolla, Pacific Beach, Miramar MCAS, and most of the northern half of the city of San Diego. Split from the 619 area code in 1999.

Related Area Codes: 619, 760, 935

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