Guaranty Bank and Trust Company, Maringouin Br Basic Info Reviews Routing Numbers Map & Direction Name: Guaranty Bank and Trust Company, Maringouin Br Main Office: No Service: Full Service Brick and Mortar Office Location: 11070 State Highway 77 Maringouin, Louisiana 70757 Iberville County View other branches Phone: 225-625-2377 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065202063YN065204980YY111101458YY From: To:
