S&T Bank, Monroeville Branch Basic Info Reviews Routing Numbers Map & Direction Name: S&T Bank, Monroeville Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 4385 Old William Penn Highway Monroeville, Pennsylvania 15146 Allegheny County View other branches Phone: 412-373-5378 Please enable JavaScript to view the comments powered by Disqus. From: To: