Deer Grove IL ZIP Code
Deer Grove city is located in Illinois State, Whiteside County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Deer Grove IL zip code by its streets and block numbers if we have some of the Deer Grove streets loaded in our website
Deer Grove Area Code is 815 and Time Zone is Central (GMT -06:00).
Deer Grove Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Deer Grove City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Deer Grove ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Deer Grove, Illinois.
The Deer Grove Zip Code is 61243.
If you want to send a mail to Deer Grove City, you should use the 61243 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Deer Grove 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 61243 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Deer Grove 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.