Please feel free to use the form below to contact us. If you would like to reach one of our offices by phone, please call 800-547-8531 during our normal business hours.
Our branches are located throughout Michigan. Stop in and see us in Alma, Grand Rapids, Greenville, Hastings, Ithaca, Mason, Middleton, Okemos, and St. Louis.
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Commercial Bank Routing Number: 072403554
Mortgage Error Resolution – please send inquiries to Commercial Bank at 301 N. State St., Alma, MI 48801.
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