There are 2 zip codes in Los Alamos County, New Mexico. The most populated is 87544, located in Los Alamos. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
8754413,661Los Alamos
875475,592Los Alamos
showing: 2 rows

Zip Codes in Los Alamos County, New Mexico by Population (2024)