Home /

Customer Service

We’re always happy to hear from you and that’s why we offer a variety of ways to connect with us. 


Start the Conversation


  • Let's Chat - A quick and convenient way to connect with a live banker (during normal business hours).
  • Pick your dedicated banker within online banking.  Learn More

Our customer service center is available to help you.

  • Customer Service:  1.800.453.8700 (Monday - Friday 8:00am - 6:00 pm, Saturday 9:00 am - 1:00pm)
  • 24 Hour Telephone Banking: 866.242.6410
  • TTY/TDD: 866.242.6415:

Set up an appointment with your favorite banker!


We’d love to see you! Stop by your local branch.

Find a Location

We're here to help and your feedback is important to us.


Tell Us How We're Doing

Please note that by using this link, you will be leaving Mercantile Bank's (the 'Bank') web site. The Bank takes no responsibility and makes no warranties, either expressed or implied, for any of the services, products or information available via this outside web site. The Bank is not responsible for and does not monitor the content, performance, policies (including any privacy policies) or administration of this outside web site, which are the sole responsibility of their creators and do not represent, explicitly or implicitly, positions, policies or opinions of the Bank, its affiliates, its employees or its Board of Directors.