Cosby TN ZIP Code
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Cosby city is located in Tennessee State, Cocke County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cosby TN zip code by its streets and block numbers if we have some of the Cosby streets loaded in our website
Cosby Area Code is 423/865 and Time Zone is Eastern (GMT -05:00).
Cosby Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cosby City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cosby ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cosby, Tennessee.
The Cosby Zip Code is 37722.
If you want to send a mail to Cosby City, you should use the 37722 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cosby 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 37722 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cosby 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.