Astoria SD ZIP Code
Astoria city is located in South Dakota State, Deuel County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Astoria SD zip code by its streets and block numbers if we have some of the Astoria streets loaded in our website
Astoria Area Code is 605 and Time Zone is Central (GMT -06:00).
Astoria Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Astoria City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Astoria ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Astoria, South Dakota.
The Astoria Zip Code is 57213.
If you want to send a mail to Astoria City, you should use the 57213 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Astoria 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 57213 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Astoria 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.