Mammoth Lakes, California Area Code

Mammoth Lakes, CA Area Codes are

760 and 442

Mammoth Lakes, 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 Mammoth Lakes, CA area code information read more about area codes 442 and 760 details and California area codes.

Mammoth Lakes, CA is located in Mono County and observes the Pacific Time Zone. View our Times by Area Code tool.

California Area Code Map