Grand Blanc MI ZIP Code
Grand Blanc city is located in Michigan State, Genesee County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grand Blanc MI zip code by its streets and block numbers if we have some of the Grand Blanc streets loaded in our website
Grand Blanc Area Code is 810 and Time Zone is Eastern (GMT -05:00).
Grand Blanc Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grand Blanc City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grand Blanc ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grand Blanc, Michigan.
The Grand Blanc Zip Code is 48439, 48480.
If you want to send a mail to Grand Blanc City, you should use the 48439, 48480 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grand Blanc 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 48439, 48480 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grand Blanc 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.