Port Sanilac MI ZIP Code
Port Sanilac city is located in Michigan State, Sanilac County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Port Sanilac MI zip code by its streets and block numbers if we have some of the Port Sanilac streets loaded in our website
Port Sanilac Area Code is 810 and Time Zone is Eastern (GMT -05:00).
Port Sanilac Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Port Sanilac City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Port Sanilac ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Port Sanilac, Michigan.
The Port Sanilac Zip Code is 48469.
If you want to send a mail to Port Sanilac City, you should use the 48469 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Port Sanilac 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 48469 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Port Sanilac 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.