ZIP Code 57645 is located in the county of Grant in the state of South Dakota. 57645 ZIP Code is spread between the coordinates of +45.9810745 Latitude and -101.73247371 Longitude. 57645 ZIP Code is part of the 605 area code. There is 1 postal office in zip code 57645.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 57645. 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.