Washington Island WI ZIP Code
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Washington Island city is located in Wisconsin State, Door County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Washington Island WI zip code by its streets and block numbers if we have some of the Washington Island streets loaded in our website
Washington Island Area Code is 920 and Time Zone is Central (GMT -06:00).
Washington Island Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Washington Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Washington Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Washington Island, Wisconsin.
The Washington Island Zip Code is 54246.
If you want to send a mail to Washington Island City, you should use the 54246 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Washington Island 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 54246 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Washington Island 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.