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 *


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.


Fraud Prevention Solutions

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 to Verify+ Standard, Verify+ Premium or Fraud Alerts?

Please download the form and email 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 **

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