First Guaranty Bank, Guaranty West Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Guaranty Bank, Guaranty West Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2111 West Thomas Street Hammond, Louisiana 70401 Tangipahoa County View other branches Phone: 985-375-0371 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer065201381YN065404340YY065404353YN From: To: