Mount Morris MI ZIP Code
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Mount Morris 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 Mount Morris MI zip code by its streets and block numbers if we have some of the Mount Morris streets loaded in our website
Mount Morris Area Code is 810 and Time Zone is Eastern (GMT -05:00).
Mount Morris Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mount Morris City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mount Morris ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mount Morris, Michigan.
The Mount Morris Zip Code is 48458.
If you want to send a mail to Mount Morris City, you should use the 48458 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mount Morris 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 48458 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mount Morris 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.