Westchester, California Area Code
Westchester, CA is officially utilizing an area code overlay in which area codes 310 and 424 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Westchester, CA area code information read more about area codes 310 and 424 details and California area codes.
Westchester, CA is located in Los Angeles County and observes the Pacific Time Zone. View our Times by Area Code tool.
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