Fort Smith MT ZIP Code
Fort Smith city is located in Montana State, Big Horn County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Fort Smith MT zip code by its streets and block numbers if we have some of the Fort Smith streets loaded in our website
Fort Smith Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Fort Smith Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Fort Smith City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Fort Smith ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Fort Smith, Montana.
The Fort Smith Zip Code is 59035.
If you want to send a mail to Fort Smith City, you should use the 59035 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Fort Smith 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 59035 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Fort Smith 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 Montana.