Hidden Hills, California Area Code
Hidden Hills, CA is officially utilizing an area code overlay in which area codes 747 and 818 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Hidden Hills, CA area code information read more about area codes 747 and 818 details and California area codes.
Hidden Hills, CA is located in Los Angeles County and observes the Pacific Time Zone. View our Times by Area Code tool.
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