Mercantile Bank of Michigan, Dexter Drive-In Branch Basic Info Reviews Routing Numbers Map & Direction Name: Mercantile Bank of Michigan, Dexter Drive-In Branch Main Office: No Service: Limited Service Facility Office Location: 202 North Dexter Street Ionia, Michigan 48846 Ionia County View other branches Phone: 616-527-1550 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer072402665YY072403211YY072404650YY072404757YY072408892YN072413227YY072413816YY072413829YY072414022YY From: To: