Signal Mountain TN ZIP Code
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Signal Mountain city is located in Tennessee State, Hamilton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Signal Mountain TN zip code by its streets and block numbers if we have some of the Signal Mountain streets loaded in our website
Signal Mountain Area Code is 423 and Time Zone is Eastern (GMT -05:00).
Signal Mountain Zip Code - Tennessee
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Signal Mountain City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Signal Mountain ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Signal Mountain, Tennessee.
The Signal Mountain Zip Code is 37377.
If you want to send a mail to Signal Mountain City, you should use the 37377 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Signal Mountain 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 37377 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Signal Mountain 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.