Shelter Island NY ZIP Code
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Shelter Island city is located in New York State, Suffolk County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Shelter Island NY zip code by its streets and block numbers if we have some of the Shelter Island streets loaded in our website
Shelter Island Area Code is 631 and Time Zone is Eastern (GMT -05:00).
Shelter Island Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Shelter Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Shelter Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Shelter Island, New York.
The Shelter Island Zip Code is 11964.
If you want to send a mail to Shelter Island City, you should use the 11964 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Shelter Island 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 11964 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Shelter Island 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 York.