<P> Area codes 213 and 323 are California telephone area codes in the North American Numbering Plan . They contain, roughly, the area of central Los Angeles . 213 / 323 also includes several gateway cities of the region, including Bell and Huntington Park . Before being reunited in an overlay in 2017, they had been separate area codes since 1998, with 213 containing downtown Los Angeles and its immediately adjoining neighborhoods, with 323 containing the rest of the area . </P> <P> Area code 213 was one of the three original area codes assigned to California in 1947 . It initially covered the southern third of the state from the Central Coast to the Mexican border . The numbering plan area was extended to the north in 1950, requiring the southern portion of the Central Valley, including Bakersfield, to change over from area code 415 . </P>

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