Northstar Bank, Algonac Branch Basic Info Reviews Routing Numbers Map & Direction Name: Northstar Bank, Algonac Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 900 Point Tremble Road Algonac, Michigan 48001 St. Clair County View other branches Phone: 810-794-1000 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072414064YY072414129YN From: To: