Glens Falls National Bank and Trust Company, Plattsburgh Branch Basic Info Reviews Routing Numbers Map & Direction Name: Glens Falls National Bank and Trust Company, Plattsburgh Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 25 Margaret Street Plattsburgh, New York 12901 Clinton County View other branches Phone: 518-561-3101 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021302554YY021311529YY From: To: