Reliance Bank, Reliance Bank Basic Info Reviews Routing Numbers Map & Direction Name: Reliance Bank, Reliance Bank Main Office: No Service: Full Service Retail Office Location: 10301 Clayton Road Frontenac, Missouri 63131 St. Louis County View other branches Phone: 256-232-1944 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer067092679YN081018888YY081019227YN081025761YN From: To: