On the Chase customer service page, it says that you can call 1-800-432-3117 to talk to the department in charge of member services. You can also find contact information on the back of Chase credit cards and on the bills that Chase sends to its customers.
Chase offers customer service around the clock, seven days a week. Chase can be reached by phone, secure email through its website after a member logs in, or Twitter at the @ChaseSupport address. Chase can also be reached by letter. Card Services, P.O. Box 15298, Wilmington, DE 19850, is the address for all general mail.
