Sobieski WI ZIP Code
Sobieski city is located in Wisconsin State, Oconto County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sobieski WI zip code by its streets and block numbers if we have some of the Sobieski streets loaded in our website
Sobieski Area Code is 920 and Time Zone is Central (GMT -06:00).
Sobieski Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sobieski City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sobieski ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sobieski, Wisconsin.
The Sobieski Zip Code is 54171.
If you want to send a mail to Sobieski City, you should use the 54171 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sobieski 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 54171 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sobieski 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.