Byron IL ZIP Code
Byron city is located in Illinois State, Ogle County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Byron IL zip code by its streets and block numbers if we have some of the Byron streets loaded in our website
Byron Area Code is 815 and Time Zone is Central (GMT -06:00).
Byron Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Byron City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Byron ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Byron, Illinois.
The Byron Zip Code is 61010.
If you want to send a mail to Byron City, you should use the 61010 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Byron 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 61010 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Byron 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.