Speedwell TN ZIP Code
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Speedwell city is located in Tennessee State, Claiborne County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Speedwell TN zip code by its streets and block numbers if we have some of the Speedwell streets loaded in our website
Speedwell Area Code is 423 and Time Zone is Eastern (GMT -05:00).
Speedwell Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Speedwell City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Speedwell ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Speedwell, Tennessee.
The Speedwell Zip Code is 37870.
If you want to send a mail to Speedwell City, you should use the 37870 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Speedwell 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 37870 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Speedwell 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.