Area code 650

Area code 650 is a telephone area code in the state of California, United States. It was split from 415 in 1997. It serves the area covering most of San Mateo County, which is located in the San Francisco Bay Area. It covers San Mateo County, which includes cities and towns such as Redwood City, San Mateo, Palo Alto, Menlo Park, and part of Daly City.

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