Wallkill NY ZIP Code
Wallkill city is located in New York State, Ulster County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Wallkill NY zip code by its streets and block numbers if we have some of the Wallkill streets loaded in our website
Wallkill Area Code is 845 and Time Zone is Eastern (GMT -05:00).
Wallkill Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Wallkill City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Wallkill ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Wallkill, New York.
The Wallkill Zip Code is 12589.
If you want to send a mail to Wallkill City, you should use the 12589 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Wallkill 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 12589 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Wallkill 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.