New Haven NY ZIP Code
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New Haven city is located in New York State, Oswego County and has a unique zip code assigned by the US Postal Service Office.
You can search for the New Haven NY zip code by its streets and block numbers if we have some of the New Haven streets loaded in our website
New Haven Area Code is 315 and Time Zone is Eastern (GMT -05:00).
New Haven Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the New Haven City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the New Haven ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in New Haven, New York.
The New Haven Zip Code is 13121.
If you want to send a mail to New Haven City, you should use the 13121 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded New Haven 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 13121 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a New Haven 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.