Los Altos Hills, California Area Code
Los Altos Hills, CA Area Codes are
Los Altos Hills, CA is officially utilizing one area code which is area code 650.
In addition to Los Altos Hills, CA area code information read more about area code 650 details and California area codes.
Los Altos Hills, CA is located in Santa Clara County and observes the Pacific Time Zone. View our Times by Area Code tool.
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