Citizens & Northern Bank, Old Lycoming Branch Basic Info Reviews Routing Numbers Map & Direction Name: Citizens & Northern Bank, Old Lycoming Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1510 Dewey Avenue Williamsport, Pennsylvania 17701 Lycoming County View other branches Phone: 570-323-9305 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer022306782YN031308302YY031308331YN From: To: