Clear Lake SD ZIP Code
Clear Lake 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 Clear Lake SD zip code by its streets and block numbers if we have some of the Clear Lake streets loaded in our website
Clear Lake Area Code is 605 and Time Zone is Central (GMT -06:00).
Clear Lake Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Clear Lake City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Clear Lake ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Clear Lake, South Dakota.
The Clear Lake Zip Code is 57226.
If you want to send a mail to Clear Lake City, you should use the 57226 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Clear Lake 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 57226 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Clear Lake 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.