Harrisburg IL ZIP Code
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Harrisburg city is located in Illinois State, Saline County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Harrisburg IL zip code by its streets and block numbers if we have some of the Harrisburg streets loaded in our website
Harrisburg Area Code is 618 and Time Zone is Central (GMT -06:00).
Harrisburg Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Harrisburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Harrisburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Harrisburg, Illinois.
The Harrisburg Zip Code is 62946.
If you want to send a mail to Harrisburg City, you should use the 62946 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Harrisburg 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 62946 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Harrisburg 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.