Coldiron KY ZIP Code
Coldiron city is located in Kentucky State, Harlan County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Coldiron KY zip code by its streets and block numbers if we have some of the Coldiron streets loaded in our website
Coldiron Area Code is 606 and Time Zone is Eastern (GMT -05:00).
Coldiron Zip Code - Kentucky
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Coldiron City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Coldiron ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Coldiron, Kentucky.
The Coldiron Zip Code is 40819.
If you want to send a mail to Coldiron City, you should use the 40819 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Coldiron 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 40819 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Coldiron 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.