Northport MI ZIP Code
Northport city is located in Michigan State, Leelanau County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Northport MI zip code by its streets and block numbers if we have some of the Northport streets loaded in our website
Northport Area Code is 231 and Time Zone is Eastern (GMT -05:00).
Northport Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Northport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Northport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Northport, Michigan.
The Northport Zip Code is 49670.
If you want to send a mail to Northport City, you should use the 49670 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Northport 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 49670 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Northport 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 Michigan.