First Bank, Arnold Dierbergs Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, Arnold Dierbergs Main Office: No Service: Full Service Retail Office Location: 858 Arnold Commons Drive Arnold, Missouri 63010 Jefferson County View other branches Phone: 636-287-3475 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063114946YN081005794YN081009428YY081205109YN081205455YN121137506YN122239131YN From: To: