Contact Information for Merchants

To contact us, simply dial the number below. A Discover Network representative will contact you as soon as possible

Servicing

1-800-347-2000

Call Mon–Fri 9:00am to 6:00pm

Eastern Time, excluding holidays *


Canadian Merchants Only

Complaint Handling Process -
DFS Services LLC


Step 1 - Merchants should first contact their Acquirer or Processor that offers acceptance of Discover cards. Please refer to your account statement for contact information.


If you contract directly with Discover as your Acquirer or Processor, please proceed to Step 2.


Step 2 - Please complete and submit the
Code of Conduct Inquiry Form PDF


Step 3 - If your concern is not resolved to your satisfaction by your Acquirer or Processor as set forth in Step 1, you may complete and submit the
Code of Conduct Inquiry Form PDF


Privacy Policies

Canadian Privacy Policy - English (PDF)
Canadian Privacy Policy - French (PDF)
Politique de confidentialité canadienne - français (PDF)


Dispute Mutual Assistance

Log in to access the Contact Directory


Si Requiere Mas Asistencia (en Español)

1-800-347-7009

Call Mon–Fri 9:00am to 6:00pm

Eastern Time, excluding holidays*


Order Signage

Submit Your Order Online

If you need assistance in placing your

signage order, please contact us at:

1-800-347-2000

Call Mon–Fri 9:00am to 6:00pm

Eastern Time, excluding holidays *


Surcharge Notification

Merchants who intend to surcharge Discover transactions must provide notice directly to Discover and the merchant's acquirer 30 days before beginning to surcharge.

Submit Your Notification

24/7 Fraud Prevention

If you suspect a transaction is fraudulent or are suspicious of the customer, obtain an authorization and address verification by calling 1-800-347-1111. Ask for a Code 10 authorization.


Verify+ Standard

Discover Acquired Merchants:

To get technical assistance or help with resetting your Fraud & Risk Center Log In ID and/or Password, call 1-800-347-2000.


For more information, please email us at globalfraudsolutions@discover.com.

 

Need access?

Please download the form and email, mail or fax the completed and signed original paper version of this form to us.

Download Application (PDF)


Note: When emailing us, please do not share personal, sensitive or confidential information.


Third Party Acquired Merchants:

This product may be available through your acquirer or processor. Please contact them directly for assistance.


Click here for a list of acquirers.


Data Security

1-800-347-3083

Call Mon–Fri 8:30am to 12:30pm and 1:30pm to 4:00pm

Eastern Time, excluding holidays*

Questions on Security or PCI Compliance:

AskDataSecurity@discover.com


Report data compromise or cardholder data breach:

1-800-347-3083

Call Mon–Fri 8:30am to 4:00pm

Eastern Time, excluding holidays*

Send Us a Message **

All fields are required.

Note: Please do not use this form to share personal, sensitive or confidential information.