Riverhead NY ZIP Code

Riverhead 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 Riverhead NY zip code by its streets and block numbers if we have some of the Riverhead streets loaded in our website

Riverhead Area Code is 631 and Time Zone is Eastern (GMT -05:00).



Riverhead Zip Code - New York

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Riverhead City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Riverhead ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Riverhead, New York.

The Riverhead Zip Code is 11901.



If you want to send a mail to Riverhead City, you should use the 11901 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Riverhead 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 11901 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Riverhead 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.


Riverhead, New York - MAP




What is the Riverhead Zip Code?

The Riverhead Zip Code in New York is 11901.


ZIP Plus 4 Riverhead - US Streets Zip Codes

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Search Riverhead Zip Code

What is the zip code for Riverhead NY?

11901

Riverhead, New York - US Zip Code



Riverhead ZIP Code Lookup

11901 Zip Code File:
Zip Code: 11901,
City: Riverhead
Riverhead Area Code: 631
Riverhead, NY - Time Zone: Eastern (GMT -05:00)
County: Suffolk
City Alias: Northampton, Riverhead, Flanders
State: New York
State Abb: NY



New York Zip+4 - Nearby Riverhead Cities

Cities near Riverhead in New York
(straight line)


View more New York zip codes