Sullivan WI ZIP Code
Sullivan 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 Sullivan WI zip code by its streets and block numbers if we have some of the Sullivan streets loaded in our website
Sullivan Area Code is 262 and Time Zone is Central (GMT -06:00).
Sullivan Zip Code - Wisconsin
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sullivan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sullivan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sullivan, Wisconsin.
The Sullivan Zip Code is 53178.
If you want to send a mail to Sullivan City, you should use the 53178 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sullivan 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 53178 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sullivan 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.