Bismarck IL ZIP Code
Bismarck city is located in Illinois State, Vermilion County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Bismarck IL zip code by its streets and block numbers if we have some of the Bismarck streets loaded in our website
Bismarck Area Code is 217 and Time Zone is Central (GMT -06:00).
Bismarck Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Bismarck City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Bismarck ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Bismarck, Illinois.
The Bismarck Zip Code is 61814.
If you want to send a mail to Bismarck City, you should use the 61814 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Bismarck 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 61814 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Bismarck 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.