Speonk 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 Speonk NY zip code by its streets and block numbers if we have some of the Speonk streets loaded in our website
Speonk Area Code is 631 and Time Zone is Eastern (GMT -05:00).
Speonk Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Speonk City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Speonk ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Speonk, New York.
If you want to send a mail to Speonk City, you should use the 11972 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Speonk 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 11972 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Speonk 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.