Area Code 209 History:
Area code 209 was put into service on 01/01/1958. Area code 209 was created from a split of area code 916. In 1998 area code 209 was split to form area code 559.
Counties in California within area code 209 include:
Alpine County, Amador County, Calaveras County, Mariposa County, Merced County, Sacramento County, San Joaquin County, Stanislaus County, and Tuolumne County.
Major cities or places in California within area code 209 include:
Area code 209 serves northern parts of the Central Valley area and the Sierra Foothills in California, including the larger communities of Atwater, Ceres, Lodi, Los Banos, Manteca, Merced, Modesto, Stockton, Tracy and Turlock in addition to many smaller communities.