Discover Credit Card Customer Service

You can contact Discover Credit Card customer service for new application assistance, website and mobile app support, and payment by phone.

  • US: Call 1-800-347-2683(English/Español)
  • Outside the US: Call 1-224-888-7777(English/Español)

Mail Address:

Discover Financial Services
P.O. Box 30943 Salt Lake City,
UT 84130-0943