Nassau NY ZIP Code
Nassau city is located in New York State, Rensselaer County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Nassau NY zip code by its streets and block numbers if we have some of the Nassau streets loaded in our website
Nassau Area Code is 518 and Time Zone is Eastern (GMT -05:00).
Nassau Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Nassau City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Nassau ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Nassau, New York.
The Nassau Zip Code is 12123.
If you want to send a mail to Nassau City, you should use the 12123 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Nassau 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 12123 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Nassau 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.