Mattoon WI ZIP Code
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Mattoon city is located in Wisconsin State, Shawano County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mattoon WI zip code by its streets and block numbers if we have some of the Mattoon streets loaded in our website
Mattoon Area Code is 715 and Time Zone is Central (GMT -06:00).
Mattoon Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mattoon City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mattoon ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mattoon, Wisconsin.
The Mattoon Zip Code is 54450.
If you want to send a mail to Mattoon City, you should use the 54450 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mattoon 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 54450 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mattoon 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.