Northwest Bank, Lewiston Branch Basic Info Reviews Routing Numbers Map & Direction Name: Northwest Bank, Lewiston Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 500 Center Street Lewiston, New York 14092 Niagara County View other branches Phone: 716-754-2901 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer041201114YN041202702YN243374218YY From: To: