First County Bank, Swansea Branch Basic Info Reviews Routing Numbers Map & Direction Name: First County Bank, Swansea Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2610 North Illinois Street Swansea, Illinois 62226 St. Clair County View other branches Phone: 618-239-9000 Please enable JavaScript to view the comments powered by Disqus. From: To: