St. Martin Bank and Trust Company, River Ranch Branch Basic Info Reviews Routing Numbers Map & Direction Name: St. Martin Bank and Trust Company, River Ranch Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1245 Camellia Boulevard Lafayette, Louisiana 70508 Lafayette County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065200926YY065201446YN065204841YN From: To: