First Northern Bank and Trust Company, Bath Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Northern Bank and Trust Company, Bath Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 383 South Walnut Street Bath, Pennsylvania 18014 Northampton County View other branches Phone: 610-837-7100 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer031312929YY031319236YN From: To: