Gilsum NH ZIP Code
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Gilsum city is located in New Hampshire State, Cheshire County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Gilsum NH zip code by its streets and block numbers if we have some of the Gilsum streets loaded in our website
Gilsum Area Code is 603 and Time Zone is Eastern (GMT -05:00).
Gilsum Zip Code - New Hampshire
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Gilsum City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Gilsum ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Gilsum, New Hampshire.
The Gilsum Zip Code is 03448.
If you want to send a mail to Gilsum City, you should use the 03448 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Gilsum 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 03448 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Gilsum 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.