Grantsdale MT ZIP Code
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Grantsdale city is located in Montana State, Ravalli County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grantsdale MT zip code by its streets and block numbers if we have some of the Grantsdale streets loaded in our website
Grantsdale Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Grantsdale Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grantsdale City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grantsdale ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grantsdale, Montana.
The Grantsdale Zip Code is 59835.
If you want to send a mail to Grantsdale City, you should use the 59835 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grantsdale 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 59835 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grantsdale 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.