Webster SD ZIP Code
Webster city is located in South Dakota State, Day County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Webster SD zip code by its streets and block numbers if we have some of the Webster streets loaded in our website
Webster Area Code is 605 and Time Zone is Central (GMT -06:00).
Webster Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Webster City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Webster ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Webster, South Dakota.
The Webster Zip Code is 57274.
If you want to send a mail to Webster City, you should use the 57274 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Webster 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 57274 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Webster 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.