Piney Flats TN ZIP Code
Piney Flats city is located in Tennessee State, Sullivan County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Piney Flats TN zip code by its streets and block numbers if we have some of the Piney Flats streets loaded in our website
Piney Flats Area Code is 423 and Time Zone is Eastern (GMT -05:00).
Piney Flats Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Piney Flats City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Piney Flats ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Piney Flats, Tennessee.
The Piney Flats Zip Code is 37686, 37699.
If you want to send a mail to Piney Flats City, you should use the 37686, 37699 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Piney Flats 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 37686, 37699 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Piney Flats 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 Tennessee.