Ethan SD ZIP Code
Ethan city is located in South Dakota State, Davison County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Ethan SD zip code by its streets and block numbers if we have some of the Ethan streets loaded in our website
Ethan Area Code is 605 and Time Zone is Central (GMT -06:00).
Ethan Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ethan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ethan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ethan, South Dakota.
The Ethan Zip Code is 57334.
If you want to send a mail to Ethan City, you should use the 57334 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ethan 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 57334 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ethan 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.