Bay City MI ZIP Code
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Bay City city is located in Michigan State, Bay County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Bay City MI zip code by its streets and block numbers if we have some of the Bay City streets loaded in our website
Bay City Area Code is 989 and Time Zone is Eastern (GMT -05:00).
Bay City Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Bay City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Bay City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Bay City, Michigan.
The Bay City Zip Code is 48706, 48707, 48708.
If you want to send a mail to Bay City City, you should use the 48706, 48707, 48708 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Bay City 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 48706, 48707, 48708 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Bay City 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.