Old Hickory TN ZIP Code
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Old Hickory city is located in Tennessee State, Davidson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Old Hickory TN zip code by its streets and block numbers if we have some of the Old Hickory streets loaded in our website
Old Hickory Area Code is 615 and Time Zone is Central (GMT -06:00).
Old Hickory Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Old Hickory City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Old Hickory ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Old Hickory, Tennessee.
The Old Hickory Zip Code is 37138.
If you want to send a mail to Old Hickory City, you should use the 37138 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Old Hickory 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 37138 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Old Hickory 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.