Middle Island NY ZIP Code
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Middle 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 Middle Island NY zip code by its streets and block numbers if we have some of the Middle Island streets loaded in our website
Middle Island Area Code is 631 and Time Zone is Eastern (GMT -05:00).
Middle Island Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Middle Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Middle Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Middle Island, New York.
The Middle Island Zip Code is 11953.
If you want to send a mail to Middle Island City, you should use the 11953 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Middle 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 11953 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Middle 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.