Old Second National Bank, Ottawa Branch Basic Info Reviews Routing Numbers Map & Direction Name: Old Second National Bank, Ottawa Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 323 East Norris Drive Ottawa, Illinois 61350 La Salle County View other branches Phone: 815-433-4433 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer071900760YY071910187YY071916822YY071922887YY071926867YN From: To:
