The First National Bank and Trust Company, Janesville Branch Basic Info Reviews Routing Numbers Map & Direction Name: The First National Bank and Trust Company, Janesville Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2636 South Highway 51 Janesville, Wisconsin 53546 Rock County View other branches Phone: 608-314-8588 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer075900973YY075907073YN From: To: