Madisonville KY ZIP Code
Madisonville city is located in Kentucky State, Hopkins County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Madisonville KY zip code by its streets and block numbers if we have some of the Madisonville streets loaded in our website
Madisonville Area Code is 270 and Time Zone is Central (GMT -06:00).
Madisonville Zip Code - Kentucky
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Madisonville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Madisonville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Madisonville, Kentucky.
The Madisonville Zip Code is 42431.
If you want to send a mail to Madisonville City, you should use the 42431 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Madisonville 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 42431 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Madisonville 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.