Los Alamos NM ZIP Code
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Los Alamos city is located in New Mexico State, Los Alamos County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Los Alamos NM zip code by its streets and block numbers if we have some of the Los Alamos streets loaded in our website
Los Alamos Area Code is 505 and Time Zone is Mountain (GMT -07:00).
Los Alamos Zip Code - New Mexico
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Los Alamos City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Los Alamos ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Los Alamos, New Mexico.
The Los Alamos Zip Code is 87544, 87545.
If you want to send a mail to Los Alamos City, you should use the 87544, 87545 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Los Alamos ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 87544, 87545 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Los Alamos city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in New Mexico.