Mc Allister MT ZIP Code
Mc Allister city is located in Montana State, Madison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mc Allister MT zip code by its streets and block numbers if we have some of the Mc Allister streets loaded in our website
Mc Allister Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Mc Allister Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mc Allister City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mc Allister ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mc Allister, Montana.
The Mc Allister Zip Code is 59740.
If you want to send a mail to Mc Allister City, you should use the 59740 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mc Allister 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 59740 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mc Allister 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.