Big Rock IL ZIP Code
Big Rock city is located in Illinois State, Kane County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Big Rock IL zip code by its streets and block numbers if we have some of the Big Rock streets loaded in our website
Big Rock Area Code is 630 and Time Zone is Central (GMT -06:00).
Big Rock Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Big Rock City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Big Rock ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Big Rock, Illinois.
The Big Rock Zip Code is 60511.
If you want to send a mail to Big Rock City, you should use the 60511 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Big Rock 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 60511 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Big Rock 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.