Cardwell MT ZIP Code
Cardwell city is located in Montana State, Jefferson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cardwell MT zip code by its streets and block numbers if we have some of the Cardwell streets loaded in our website
Cardwell Area Code is 406 and Time Zone is Mountain (GMT -07:00).
Cardwell Zip Code - Montana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cardwell City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cardwell ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cardwell, Montana.
The Cardwell Zip Code is 59721.
If you want to send a mail to Cardwell City, you should use the 59721 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cardwell 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 59721 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cardwell 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.