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.
This communication should only be used for general inquiries. Commercial Bank suggests that confidential information, such as account number or social security numbers, never be transmitted via this communication.
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