Calhoun TN ZIP Code
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Calhoun city is located in Tennessee State, Mcminn County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Calhoun TN zip code by its streets and block numbers if we have some of the Calhoun streets loaded in our website
Calhoun Area Code is 423 and Time Zone is Eastern (GMT -05:00).
Calhoun Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Calhoun City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Calhoun ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Calhoun, Tennessee.
The Calhoun Zip Code is 37309.
If you want to send a mail to Calhoun City, you should use the 37309 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Calhoun 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 37309 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Calhoun 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.