Northwest Bank, Smethport Basic Info Reviews Routing Numbers Map & Direction Name: Northwest Bank, Smethport Main Office: No Service: Full Service Brick and Mortar Office Location: 428 West Main Street Smethport, Pennsylvania 16749 Mckean County View other branches Phone: 814-887-5522 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer041201114YN041202702YN243374218YY From: To: