Ashton SD ZIP Code
Ashton city is located in South Dakota State, Spink County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Ashton SD zip code by its streets and block numbers if we have some of the Ashton streets loaded in our website
Ashton Area Code is 605 and Time Zone is Central (GMT -06:00).
Ashton Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ashton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ashton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ashton, South Dakota.
The Ashton Zip Code is 57424.
If you want to send a mail to Ashton City, you should use the 57424 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ashton 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 57424 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ashton 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.