Northwest Bank, Sarver Basic Info Reviews Routing Numbers Map & Direction Name: Northwest Bank, Sarver Main Office: No Service: Full Service Brick and Mortar Office Location: 101 Monroe Road Sarver, Pennsylvania 16055 Butler County View other branches Phone: 724-295-9070 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer041201114YN041202702YN243374218YY From: To: