Area Code 650
Area Code 650 is in California
(310 and 424) - (408 and 669)
(714 and 657) - (760 and 442)
(818 and 747)
Area Code 650 History:
Area code 650 was put into service. Area code 650 was created from a split of area code 415.
Counties in California within area code 650 include:
San Mateo County and Santa Clara County.
Major cities or places in California within area code 650 include:
Area code 650 serves most of San Mateo County and a small area in northwest Santa Clara County, including the larger cities and communities of Belmont, Burlingame, Daly City, East Palo Alto, Foster City, Los Altos, Menlo Park, Millbrae, Mountain View, Pacifica, Palo Alto, Redwood City, San Bruno, San Carlos, San Mateo, and South San Francisco area, in addition to many smaller communities within the area code 650 service area.