Basin MT ZIP Code
Basin city is located in Montana State, Jefferson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Basin MT zip code by its streets and block numbers if we have some of the Basin streets loaded in our website
Basin Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Basin Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Basin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Basin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Basin, Montana.
The Basin Zip Code is 59631.
If you want to send a mail to Basin City, you should use the 59631 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Basin 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 59631 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Basin 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.