First Bank, Chesterfield Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, Chesterfield Main Office: No Service: Full Service Brick and Mortar Office Location: 1730 Clarkson Road Chesterfield, Missouri 63017 St. Louis County View other branches Phone: 636-537-9444 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063114946YN081005794YN081009428YY081205109YN081205455YN121137506YN122239131YN From: To: