Winona MN ZIP Code
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Winona city is located in Minnesota State, Winona County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Winona MN zip code by its streets and block numbers if we have some of the Winona streets loaded in our website
Winona Area Code is 507 and Time Zone is Central (GMT -06:00).
Winona Zip Code - Minnesota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Winona City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Winona ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Winona, Minnesota.
The Winona Zip Code is 55987.
If you want to send a mail to Winona City, you should use the 55987 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Winona 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 55987 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Winona 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.