Rio city is located in Wisconsin State, Columbia County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Rio WI zip code by its streets and block numbers if we have some of the Rio streets loaded in our website
Rio Area Code is 920 and Time Zone is Central (GMT -06:00).
Rio Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rio City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rio ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rio, Wisconsin.
If you want to send a mail to Rio City, you should use the 53960 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Rio 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 53960 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rio 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.