First Guaranty Bank, Dubach Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Guaranty Bank, Dubach Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 117 East Hico Street Dubach, Louisiana 71235 Lincoln County View other branches Phone: 318-777-3461 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065201381YN065404340YY065404353YN From: To: