Columbia Falls MT ZIP Code
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Columbia Falls city is located in Montana State, Flathead County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Columbia Falls MT zip code by its streets and block numbers if we have some of the Columbia Falls streets loaded in our website
Columbia Falls Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Columbia Falls Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Columbia Falls City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Columbia Falls ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Columbia Falls, Montana.
The Columbia Falls Zip Code is 59912.
If you want to send a mail to Columbia Falls City, you should use the 59912 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Columbia Falls 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 59912 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Columbia Falls 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.