Port Jefferson NY ZIP Code
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Port Jefferson 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 Port Jefferson NY zip code by its streets and block numbers if we have some of the Port Jefferson streets loaded in our website
Port Jefferson Area Code is 631/516 and Time Zone is Eastern (GMT -05:00).
Port Jefferson Zip Code - New York
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Port Jefferson City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Port Jefferson ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Port Jefferson, New York.
The Port Jefferson Zip Code is 11777.
If you want to send a mail to Port Jefferson City, you should use the 11777 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Port Jefferson 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 11777 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Port Jefferson 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.