Sidney IL ZIP Code
Sidney city is located in Illinois State, Champaign County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sidney IL zip code by its streets and block numbers if we have some of the Sidney streets loaded in our website
Sidney Area Code is 217 and Time Zone is Central (GMT -06:00).
Sidney Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sidney City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sidney ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sidney, Illinois.
The Sidney Zip Code is 61877.
If you want to send a mail to Sidney City, you should use the 61877 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sidney 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 61877 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sidney 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.