Contact Us

Your Banking Needs All In One Place

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.

LOCATIONS/HOURS/PHONE

Our branches are located throughout Michigan. Stop in and see us in Alma, Grand Rapids, Greenville, Hastings, Ithaca, Mason, Middleton, Mount Pleasant, Okemos and St. Louis.

View All Locations
Lost or Stolen Cards

Commercial Bank Routing Number: 072403554

Mortgage Error Resolution – please send inquiries to Commercial Bank at 301 N. State St., Alma, MI 48801.

Commercial Bank building on the corner

 

Contact Commercial Bank:

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.

* Denotes required fields.

New! Secure Checking®
Safe. Simple. Smart.

IDProtect®, Cell Phone Protection,
$hopping Rewards™ & much more!

5.49% APR Fixed Rate!
Renovate Today!

Limited time offer!
Home Equity Line of Credit Special!

Take Advantage
of our Loan Special!

4.49% APR for a car, boat, RV
or ATV! Click for details!