209 area code

The 209 area code is a telephone numbering plan code serving the central part of California, United States, including the cities of Stockton, Modesto, Merced, Tracy, and Manteca, as well as parts of the San Joaquin Valley region. The 209 area code was created in 1947 as one of the original area codes in the North American Numbering Plan and has since remained primarily in the same geographic region.