Thornton KY ZIP Code

Thornton city is located in Kentucky State, Letcher County and has a unique zip code assigned by the US Postal Service Office.

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

Thornton Area Code is 606 and Time Zone is Eastern (GMT -05:00).

Thornton Zip Code - Kentucky

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

The Thornton Zip Code is 41855.

If you want to send a mail to Thornton City, you should use the 41855 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Thornton 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 41855 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Thornton 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 Kentucky.

Thornton, Kentucky - MAP

What is the Thornton Zip Code?

The Thornton Zip Code in Kentucky is 41855.

ZIP Plus 4 Thornton - US Streets Zip Codes

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What is the zip code for Thornton KY?


Thornton, Kentucky - US Zip Code

Thornton ZIP Code Lookup

41855 Zip Code File:
Zip Code: 41855,
City: Thornton
Thornton Area Code: 606
Thornton, KY - Time Zone: Eastern (GMT -05:00)
County: Letcher
City Alias: Thornton
State: Kentucky
State Abb: KY

Kentucky Zip+4 - Nearby Thornton Cities

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