Waterloo WI ZIP Code
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Waterloo city is located in Wisconsin State, Jefferson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Waterloo WI zip code by its streets and block numbers if we have some of the Waterloo streets loaded in our website
Waterloo Area Code is 920 and Time Zone is Central (GMT -06:00).
Waterloo Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Waterloo City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Waterloo ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Waterloo, Wisconsin.
The Waterloo Zip Code is 53594.
If you want to send a mail to Waterloo City, you should use the 53594 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Waterloo 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 53594 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Waterloo 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.