First FSB of Mascoutah, Lebanon Branch Basic Info Reviews Routing Numbers Map & Direction Name: First FSB of Mascoutah, Lebanon Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 115 S Madison St Lebanon, Illinois 62254 St. Clair County View other branches Phone: 618-537-8474 Please enable JavaScript to view the comments powered by Disqus. From: To: