First FSB of Mascoutah, New Baden Branch Basic Info Reviews Routing Numbers Map & Direction Name: First FSB of Mascoutah, New Baden Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1200 E Hanover St New Baden, Illinois 62265 Clinton County View other branches Phone: 618-588-3527 Please enable JavaScript to view the comments powered by Disqus. From: To: