Saint Onge SD ZIP Code
Saint Onge city is located in South Dakota State, Lawrence County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Onge SD zip code by its streets and block numbers if we have some of the Saint Onge streets loaded in our website
Saint Onge Area Code is 605 and Time Zone is Mountain (GMT -07:00).
Saint Onge Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Onge City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Onge ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Onge, South Dakota.
The Saint Onge Zip Code is 57779.
If you want to send a mail to Saint Onge City, you should use the 57779 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Onge 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 57779 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Onge 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 South Dakota.