Humboldt MN ZIP Code
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Humboldt city is located in Minnesota State, Kittson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Humboldt MN zip code by its streets and block numbers if we have some of the Humboldt streets loaded in our website
Humboldt Area Code is 218 and Time Zone is Central (GMT -06:00).
Humboldt Zip Code - Minnesota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Humboldt City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Humboldt ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Humboldt, Minnesota.
The Humboldt Zip Code is 56731.
If you want to send a mail to Humboldt City, you should use the 56731 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Humboldt 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 56731 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Humboldt 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.