Glens Falls National Bank and Trust Company, Warrensburg Branch Basic Info Reviews Routing Numbers Map & Direction Name: Glens Falls National Bank and Trust Company, Warrensburg Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3853 Main Street Warrensburg, New York 12885 Warren County View other branches Phone: 518-623-3036 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021302554YY021311529YY From: To: