Farmington IL ZIP Code

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

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

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

Farmington Zip Code - Illinois

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

The Farmington Zip Code is 61531.

If you want to send a mail to Farmington City, you should use the 61531 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Farmington 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 61531 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Farmington 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.

Farmington, Illinois - MAP

What is the Farmington Zip Code?

The Farmington Zip Code in Illinois is 61531.

ZIP Plus 4 Farmington - US Streets Zip Codes

By pressing keys ctrol + F you can search Farmington zip codes by its streets, highways, and know the ZIP+4 US ZIP Code

Search Farmington Zip Code

What is the zip code for Farmington IL?


Farmington, Illinois - US Zip Code

Farmington ZIP Code Lookup

61531 Zip Code File:
Zip Code: 61531,
City: Farmington
Farmington Area Code: 309
Farmington, IL - Time Zone: Central (GMT -06:00)
County: Fulton
City Alias: Farmington, Middlegrove
State: Illinois
State Abb: IL

Illinois Zip+4 - Nearby Farmington Cities

Cities near Farmington in Illinois
(straight line)

View more Illinois zip codes