Omaha IL ZIP Code
Omaha city is located in Illinois State, Gallatin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Omaha IL zip code by its streets and block numbers if we have some of the Omaha streets loaded in our website
Omaha Area Code is 618 and Time Zone is Central (GMT -06:00).
Omaha Zip Code - Illinois
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Omaha City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Omaha ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Omaha, Illinois.
The Omaha Zip Code is 62871.
If you want to send a mail to Omaha City, you should use the 62871 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Omaha 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 62871 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Omaha 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.