Isabella Bank, Saginaw Branch Basic Info Reviews Routing Numbers Map & Direction Name: Isabella Bank, Saginaw Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 4975 Bay Road Saginaw, Michigan 48604 Saginaw County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072403004YY072405167YN072406412YN072413968YN072414446YN From: To: