Smith Mills KY ZIP Code
Smith Mills city is located in Kentucky State, Henderson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Smith Mills KY zip code by its streets and block numbers if we have some of the Smith Mills streets loaded in our website
Smith Mills Area Code is 270 and Time Zone is Central (GMT -06:00).
Smith Mills Zip Code - Kentucky
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Smith Mills City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Smith Mills ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Smith Mills, Kentucky.
The Smith Mills Zip Code is 42457.
If you want to send a mail to Smith Mills City, you should use the 42457 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Smith Mills 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 42457 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Smith Mills 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.