Wolf Lake city is located in Illinois State, Union County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Wolf Lake IL zip code by its streets and block numbers if we have some of the Wolf Lake streets loaded in our website
Wolf Lake Area Code is 618 and Time Zone is Central (GMT -06:00).
Wolf Lake Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Wolf Lake City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Wolf Lake ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Wolf Lake, Illinois.
If you want to send a mail to Wolf Lake City, you should use the 62998 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Wolf Lake 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 62998 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Wolf Lake 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 Illinois.