Gilson IL ZIP Code

Gilson city is located in Illinois State, Knox County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Gilson IL zip code by its streets and block numbers if we have some of the Gilson streets loaded in our website

Gilson Area Code is 309 and Time Zone is Central (GMT -06:00).

Gilson Zip Code - Illinois

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Gilson City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Gilson ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Gilson, Illinois.

The Gilson Zip Code is 61436.

If you want to send a mail to Gilson City, you should use the 61436 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Gilson 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 61436 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Gilson 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.

Gilson, Illinois - MAP

What is the Gilson Zip Code?

The Gilson Zip Code in Illinois is 61436.

ZIP Plus 4 Gilson - US Streets Zip Codes

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Gilson, Illinois - US Zip Code

Gilson ZIP Code Lookup

61436 Zip Code File:
Zip Code: 61436,
City: Gilson
Gilson Area Code: 309
Gilson, IL - Time Zone: Central (GMT -06:00)
County: Knox
City Alias: Delong, Gilson
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Gilson Cities

Cities near Gilson in Illinois
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