Dieterich Bank, N.A., Lake Sara Branch Basic Info Reviews Routing Numbers Map & Direction Name: Dieterich Bank, N.A., Lake Sara Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 10911 East State Hwy 33 Effingham, Illinois 62401 Effingham County View other branches Phone: 217-868-5995 Please enable JavaScript to view the comments powered by Disqus. From: To: