First Bank, 79 Crossing Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, 79 Crossing Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 221 Salt Lick Road Saint Peters, Missouri 63376 St. Charles County View other branches Phone: 636-397-1751 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063114946YN081005794YN081009428YY081205109YN081205455YN121137506YN122239131YN From: To: