Harrison SD ZIP Code
Harrison city is located in South Dakota State, Douglas County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Harrison SD zip code by its streets and block numbers if we have some of the Harrison streets loaded in our website
Harrison Area Code is 605 and Time Zone is Central (GMT -06:00).
Harrison Zip Code - South Dakota
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Harrison City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Harrison ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Harrison, South Dakota.
The Harrison Zip Code is 57344.
If you want to send a mail to Harrison City, you should use the 57344 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Harrison 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 57344 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Harrison 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.