Mountain Pass, California Area Code

Mountain Pass, CA is officially utilizing an area code overlay in which area codes 442 and 760 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Mountain Pass, CA area code information read more about area codes 442 and 760 details and California area codes.

Mountain Pass, CA is located in San Bernardino County and observes the Pacific Time Zone. View our Times by Area Code tool.