Independent Bank, Ionia Main Branch Basic Info Reviews Routing Numbers Map & Direction Name: Independent Bank, Ionia Main Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 230 West Main Street Ionia, Michigan 48846 Ionia County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072402652YY072407000YN072407123YY072407660YN072408708YY072412354YN072412972YY072412985YN072413560YN272471124YN From: To: