Wyandanch NY ZIP Code
Wyandanch 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 Wyandanch NY zip code by its streets and block numbers if we have some of the Wyandanch streets loaded in our website
Wyandanch Area Code is 631 and Time Zone is Eastern (GMT -05:00).
Wyandanch Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Wyandanch City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Wyandanch ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Wyandanch, New York.
The Wyandanch Zip Code is 11798.
If you want to send a mail to Wyandanch City, you should use the 11798 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Wyandanch 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 11798 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Wyandanch 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.