Plankinton SD ZIP Code
Plankinton city is located in South Dakota State, Aurora County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Plankinton SD zip code by its streets and block numbers if we have some of the Plankinton streets loaded in our website
Plankinton Area Code is 605 and Time Zone is Central (GMT -06:00).
Plankinton Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Plankinton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Plankinton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Plankinton, South Dakota.
The Plankinton Zip Code is 57368.
If you want to send a mail to Plankinton City, you should use the 57368 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Plankinton 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 57368 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Plankinton 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.