Area Code 818 History:
Area code 818 was put into service. Area code 818 was created from a split of area code 213. In 1997 area code 818 was split to form area code 626. In 2009 area code 818 was overlaid with area code 747.
Counties in California within area code 818 include:
Los Angeles County.
Major cities or places in California within area code 818 include:
Area codes 747 and 818 serve a significant portion of the San Fernando Valley area in California including the larger cities and communities of Agoura Hills, Burbank, Calabasas, Glendale, La Canada Flintridge, North Hollywood, Panorama City, San Fernando, Van Nuys and Woodland Hills in addition to many smaller communities within the area codes 747 and 818 overlay service area.