First Federal Savings Bank, First Federal Savings Bank Basic Info Reviews Routing Numbers Map & Direction Name: First Federal Savings Bank, First Federal Savings Bank Main Office: Yes Service: Full Service Brick and Mortar Office Location: 633 La Salle St Ottawa, Illinois 61350 La Salle County View other branches Phone: 815-434-3500 Please enable JavaScript to view the comments powered by Disqus. From: To: