Avon SD ZIP Code
Avon city is located in South Dakota State, Bon Homme County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Avon SD zip code by its streets and block numbers if we have some of the Avon streets loaded in our website
Avon Area Code is 605 and Time Zone is Central (GMT -06:00).
Avon Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Avon City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Avon ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Avon, South Dakota.
The Avon Zip Code is 57315.
If you want to send a mail to Avon City, you should use the 57315 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Avon 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 57315 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Avon 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.