code 626) Rosemead (mostly served by area code 626) South Gate (small portions served by area codes 562 and 310) South Pasadena (also served by area code 626) Vernon View Park Windsor Hills Walnut Park West Athens (small portion served by area code 310) Westmont See also List of California area codes List of NANP area codes References External links California Public Utilities Commission's "Report on the 213 Area Code 213 Area Code - Southern California 323 Area Code - Southern California 213 and 323 213 and 323 Los Angeles County, California Downtown Los Angeles Central Los Angeles Eastside Los Angeles Northeast Los Angeles South Los Angeles Telecommunications-related introductions in 1947 Telecommunications-related introductions in 1998