Havre MT ZIP Code
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Havre city is located in Montana State, Hill County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Havre MT zip code by its streets and block numbers if we have some of the Havre streets loaded in our website
Havre Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Havre Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Havre City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Havre ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Havre, Montana.
The Havre Zip Code is 59501.
If you want to send a mail to Havre City, you should use the 59501 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Havre 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 59501 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Havre 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.