First Guaranty Bank, Denham Springs Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Guaranty Bank, Denham Springs Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2231 South Range Avenue Denham Springs, Louisiana 70726 Livingston County View other branches Phone: 225-791-7964 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065201381YN065404340YY065404353YN From: To: