Seaford NY ZIP Code
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Seaford city is located in New York State, Nassau County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Seaford NY zip code by its streets and block numbers if we have some of the Seaford streets loaded in our website
Seaford Area Code is 516/631 and Time Zone is Eastern (GMT -05:00).
Seaford Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Seaford City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Seaford ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Seaford, New York.
The Seaford Zip Code is 11783.
If you want to send a mail to Seaford City, you should use the 11783 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Seaford 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 11783 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Seaford 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.