Area Code: 650

650 Area Code belongs to the state of California. The following cities fall under this area code: 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, South San Francisco. There have been a total of 20035 Numbers for this area code.