First State Bank, Dekalb Il Branch Basic Info Reviews Routing Numbers Map & Direction Name: First State Bank, Dekalb Il Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 155 North Third Street Dekalb, Illinois 60115 Dekalb County View other branches Phone: 815-752-2265 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071114491YN071921532YY From: To: