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| Address | 840 Mt. Rushmore Road Rapid City, South Dakota 57701  | 
|---|---|
| Local | (605) 343-2422 | 
| Toll Free | (877) 343-2422 | 
| Fax | (605) 791-2576 | 
| 24-Hour Phone Banking | (866) 454-4732Â |Â (605) 791-4444 | 
| Lost Debit Card | (800) 236-2442 | 
| Lobby Hours | 8:30AM – 5:00PM Mon-Fri | 
| Drive Thru | 8:00AM – 5:00PM Mon-Fri |