37660 ZIP Code
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37660 is a zip code assigned by the US Postal Service Office for a US City.
You can search for the 37660 zip code by its streets and block numbers if we have some of the streets loaded in our website
You should use 37660 Zip Code if you want to send mail to a certain US City.
37660 Zip Code - US ZIP Codes
The US ZIP Code basic format consists of five decimal numerical digits assigned like the 37660 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 37660 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.
37660 Zip Code belongs to Kingsport, TN - US. 37660 Zip code is located at Sullivan County and is related to this cities: Kingsport
37660 Zip Code Area Code is 423 and 37660 Zip Code Time Zone is Eastern (GMT -05:00).
In 1983, the U.S. Postal Service introduced an expanded Kingsport 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 37660 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Kingsport 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.