Cassopolis MI ZIP Code
Cassopolis city is located in Michigan State, Cass County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cassopolis MI zip code by its streets and block numbers if we have some of the Cassopolis streets loaded in our website
Cassopolis Area Code is 269 and Time Zone is Eastern (GMT -05:00).
Cassopolis Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cassopolis City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cassopolis ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cassopolis, Michigan.
The Cassopolis Zip Code is 49031.
If you want to send a mail to Cassopolis City, you should use the 49031 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cassopolis 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 49031 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cassopolis 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.