Old Second National Bank, Sycamore Branch Basic Info Reviews Routing Numbers Map & Direction Name: Old Second National Bank, Sycamore Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1810 Dekalb Avenue Sycamore, Illinois 60178 Dekalb County View other branches Phone: 815-895-2377 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071900760YY071910187YY071916822YY071922887YY071926867YN From: To:
