Mount Saint Joseph OH ZIP Code
Mount Saint Joseph city is located in Ohio State, Hamilton County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mount Saint Joseph OH zip code by its streets and block numbers if we have some of the Mount Saint Joseph streets loaded in our website
Mount Saint Joseph Area Code is 513 and Time Zone is Eastern (GMT -05:00).
Mount Saint Joseph Zip Code - Ohio
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mount Saint Joseph City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mount Saint Joseph ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mount Saint Joseph, Ohio.
The Mount Saint Joseph Zip Code is 45051.
If you want to send a mail to Mount Saint Joseph City, you should use the 45051 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mount Saint Joseph 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 45051 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mount Saint Joseph 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 Ohio.