Twin Mountain NH ZIP Code
Twin Mountain city is located in New Hampshire State, Coos County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Twin Mountain NH zip code by its streets and block numbers if we have some of the Twin Mountain streets loaded in our website
Twin Mountain Area Code is 603 and Time Zone is Eastern (GMT -05:00).
Twin Mountain Zip Code - New Hampshire
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Twin Mountain City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Twin Mountain ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Twin Mountain, New Hampshire.
The Twin Mountain Zip Code is 03595.
If you want to send a mail to Twin Mountain City, you should use the 03595 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Twin 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 03595 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Twin 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 New Hampshire.