Saint Regis MT ZIP Code
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Saint Regis city is located in Montana State, Mineral County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Regis MT zip code by its streets and block numbers if we have some of the Saint Regis streets loaded in our website
Saint Regis Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Saint Regis Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Regis City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Regis ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Regis, Montana.
The Saint Regis Zip Code is 59866.
If you want to send a mail to Saint Regis City, you should use the 59866 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Regis 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 59866 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Regis 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.