Norwalk WI ZIP Code
Norwalk city is located in Wisconsin State, Monroe County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Norwalk WI zip code by its streets and block numbers if we have some of the Norwalk streets loaded in our website
Norwalk Area Code is 608 and Time Zone is Central (GMT -06:00).
Norwalk Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Norwalk City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Norwalk ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Norwalk, Wisconsin.
The Norwalk Zip Code is 54648.
If you want to send a mail to Norwalk City, you should use the 54648 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Norwalk 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 54648 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Norwalk 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.