Bluff City TN ZIP Code
Bluff City 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 Bluff City TN zip code by its streets and block numbers if we have some of the Bluff City streets loaded in our website
Bluff City Area Code is 423 and Time Zone is Eastern (GMT -05:00).
Bluff City Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Bluff City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Bluff City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Bluff City, Tennessee.
The Bluff City Zip Code is 37618.
If you want to send a mail to Bluff City City, you should use the 37618 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Bluff City 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 37618 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Bluff City 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.