Grantsburg WI ZIP Code
Grantsburg city is located in Wisconsin State, Burnett County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grantsburg WI zip code by its streets and block numbers if we have some of the Grantsburg streets loaded in our website
Grantsburg Area Code is 715 and Time Zone is Central (GMT -06:00).
Grantsburg Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grantsburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grantsburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grantsburg, Wisconsin.
The Grantsburg Zip Code is 54840.
If you want to send a mail to Grantsburg City, you should use the 54840 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grantsburg 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 54840 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grantsburg 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 Wisconsin.