Diamond Bank, Dequeen Branch Basic Info Reviews Routing Numbers Map & Direction Name: Diamond Bank, Dequeen Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 404 E. Collin Raye Drive Dequeen, Arkansas 71832 Sevier County View other branches Phone: 870-642-2100 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082903439YN082904056YY082907710YN From: To: