Millbrook IL ZIP Code
Millbrook city is located in Illinois State, Kendall County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Millbrook IL zip code by its streets and block numbers if we have some of the Millbrook streets loaded in our website
Millbrook Area Code is 630 and Time Zone is Central (GMT -06:00).
Millbrook Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Millbrook City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Millbrook ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Millbrook, Illinois.
The Millbrook Zip Code is 60536.
If you want to send a mail to Millbrook City, you should use the 60536 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Millbrook 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 60536 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Millbrook 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.