ZIP Code 57656 is located in the county of Dewey in the state of South Dakota. 57656 ZIP Code is spread between the coordinates of +45.4227216 Latitude and -101.08204963 Longitude. 57656 ZIP Code is part of the 605 area code. There is 1 postal office in zip code 57656.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 57656. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.