Grand Portage MN ZIP Code
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Grand Portage city is located in Minnesota State, Cook County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grand Portage MN zip code by its streets and block numbers if we have some of the Grand Portage streets loaded in our website
Grand Portage Area Code is 218 and Time Zone is Central (GMT -06:00).
Grand Portage Zip Code - Minnesota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grand Portage City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grand Portage ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grand Portage, Minnesota.
The Grand Portage Zip Code is 55605.
If you want to send a mail to Grand Portage City, you should use the 55605 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grand Portage 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 55605 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grand Portage 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 Minnesota.