Muir MI ZIP Code
Muir city is located in Michigan State, Ionia County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Muir MI zip code by its streets and block numbers if we have some of the Muir streets loaded in our website
Muir Area Code is 989 and Time Zone is Eastern (GMT -05:00).
Muir Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Muir City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Muir ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Muir, Michigan.
The Muir Zip Code is 48860.
If you want to send a mail to Muir City, you should use the 48860 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Muir 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 48860 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Muir 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.