Los Alamos, New Mexico Area Code

Los Alamos, NM Area Codes are

Los Alamos, NM is officially utilizing one area code which is area code 505.

In addition to Los Alamos, NM area code information read more about area code 505 details and New Mexico area codes.

Los Alamos, NM is located in Los Alamos County and observes the Mountain Time Zone. View our Times by Area Code tool.