Dacotah Bank, Roslyn Branch Basic Info Reviews Routing Numbers Map & Direction Name: Dacotah Bank, Roslyn Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 506 North Main Street Roslyn, South Dakota 57261 Day County View other branches Phone: 605-637-5251 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091210469YN091400172YY From: To: