Guaranty Bank & Trust, N.A., James Bowie Branch Basic Info Reviews Routing Numbers Map & Direction Name: Guaranty Bank & Trust, N.A., James Bowie Branch Main Office: No Service: Full Service Brick and Mortar Office Location: James Bowie Dr. New Boston, Texas 75570 Bowie County View other branches Phone: 903-628-6270 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111024852YN111915327YY111925304YN From: To: