Willmar city is located in Minnesota State, Kandiyohi County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Willmar MN zip code by its streets and block numbers if we have some of the Willmar streets loaded in our website
Willmar Area Code is 320 and Time Zone is Central (GMT -06:00).
Willmar Zip Code - Minnesota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Willmar City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Willmar ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Willmar, Minnesota.
If you want to send a mail to Willmar City, you should use the 56201 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Willmar 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 56201 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Willmar 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.