Modesto IL ZIP Code
Modesto city is located in Illinois State, Macoupin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Modesto IL zip code by its streets and block numbers if we have some of the Modesto streets loaded in our website
Modesto Area Code is 217 and Time Zone is Central (GMT -06:00).
Modesto Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Modesto City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Modesto ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Modesto, Illinois.
The Modesto Zip Code is 62667.
If you want to send a mail to Modesto City, you should use the 62667 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Modesto 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 62667 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Modesto 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.