Saint Mary MO ZIP Code
Saint Mary city is located in Missouri State, Sainte Genevieve County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Mary MO zip code by its streets and block numbers if we have some of the Saint Mary streets loaded in our website
Saint Mary Area Code is 573 and Time Zone is Central (GMT -06:00).
Saint Mary Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Mary City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Mary ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Mary, Missouri.
The Saint Mary Zip Code is 63673.
If you want to send a mail to Saint Mary City, you should use the 63673 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Mary 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 63673 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Mary 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 Missouri.