Alexandria SD ZIP Code
Alexandria city is located in South Dakota State, Hanson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Alexandria SD zip code by its streets and block numbers if we have some of the Alexandria streets loaded in our website
Alexandria Area Code is 605 and Time Zone is Central (GMT -06:00).
Alexandria Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Alexandria City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Alexandria ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Alexandria, South Dakota.
The Alexandria Zip Code is 57311.
If you want to send a mail to Alexandria City, you should use the 57311 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Alexandria 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 57311 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Alexandria 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.