Customer Support

Self-Service Banking


Available 24/7

Automated voice systems are available to get your account balance, transfer funds, stop a check and more, without waiting.

Learn more about our automated system below

Talk to a Representative


Mon-Fri: 8:00 a.m. - 9:00 p.m. ET
Sat: 8:00 a.m. - 5:00 p.m. ET

For Personal, Small Business & Commercial Banking customers, speak with a support specialist during these times.

Personal and Business Debit & ATM Cards


Available 24/7

For use outside of the US and Canada, also available 24/7

To report lost or stolen cards, or to get information, please use the numbers above or contact your local banking center.

Personal & Business Credit Cards

Personal Credit Cards

Business Credit Cards

Mon-Fri: 8:00 a.m. - 9:00 p.m. ET

Contact Elan’s Cardmember service 24/7 to report a lost or stolen card or for questions about your account.

To apply for the right Comerica Credit Card for you, please contact your local Comerica banking center or call 800-266-3742 to speak with a support specialist.

Order Comerica Checks

To order checks, please visit our Comerica Check Order page.

Treasury Management


Call Treasury Management Relationship Services or contact your Comerica Treasury Management Representative.

Bank by Mail

Do you have a need to handle your banking by mail? You can mail deposits directly to Comerica Bank with the addresses below:

Using the U.S.P.S., please send your deposit to:

Comerica Bank by Mail
Mail Code 7560
PO Box 75000
Detroit, MI 48267

Using an overnight provider (FedEx, UPS, etc.), please send your deposits to:

Comerica Bank by Mail
MC 7560
36455 Corporate Dr.
Farmington Hills, MI 48331

Loan Assistance 

Consumer Loans

For questions regarding existing Consumer Loan
Mon-Fri: 7:00 a.m. - 7:00 p.m. ET

For an application on a new Consumer Loan
Mon-Fri: 8:00 a.m. - 9:00 p.m. ET

Home Loans:

  • Home equity line of credit
  • Mortgage loan
  • Refinancing

Personal Loans:

  • Auto, Boat & RV loans
  • Personal loan
  • Student loan

To request information or notify us about an error regarding your consumer loan account, send written notification to:

Comerica Consumer Loan Customer Service
P.O Box 71203
Philadelphia, PA 19176

Business Loans

For questions or assistance regarding your existing business loan, please contact your local Comerica banking center or assigned Relationship Manager.

For an application on a new Business loan, please contact your local Comerica banking center.

  • Working capital lines of credit
  • Term loans
  • SBA loans
  • Commercial real estate loans
  • Letters of credit
  • Equipment financing

Interactive Voice Response (IVR) System 24/7

Self-Service Phone Banking


Comerica offers two ways to safely and securely use the Interactive Voice Response (IVR) system:

  • Enroll in Comerica VoiceSafeTM, an advanced authentication system for a more secure telephone banking experience. Click here to learn more.
  • Set up a 6-digit personal access code (PAC) to use the IVR via touch-tone.

Self-guided information   

We offer a natural speech interactive voice response (IVR) system and Comerica VoiceSafe option that can assist you with our most requested services, available 24 hours a day, 7 days a week! These options can reduce your wait time and are safe, secure and simple to use.

Tips to use the IVR and Comerica VoiceSafe:

  • Speak to the system and tell us how we can help you today.
  • After the system asks, “How can I help you?”, simply respond with a short command such as “transfer funds,” “reset my password” or “hear my transactions.”
  • The system will walk you through next steps.

A few of the most used commands:

  • account balance
  • transfer funds 
  • transaction history 
  • stolen debit card 
  • lost debit card 
  • add travel notes 
  • card fraud 
  • stop a check 
  • unrecognized transactions 
  • reset my password or reset my online banking password