Sandown NH ZIP Code
Sandown city is located in New Hampshire State, Rockingham County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sandown NH zip code by its streets and block numbers if we have some of the Sandown streets loaded in our website
Sandown Area Code is 603 and Time Zone is Eastern (GMT -05:00).
Sandown Zip Code - New Hampshire
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sandown City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sandown ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sandown, New Hampshire.
The Sandown Zip Code is 03873.
If you want to send a mail to Sandown City, you should use the 03873 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sandown 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 03873 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sandown 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.