What is the phone number for Chase Sapphire credit card customer service?

The phone number for Chase Sapphire credit card customer service is 1-800-436-7970. This dedicated line is available for current cardholders to address any concerns or queries related to their Chase Sapphire accounts, including reporting lost or stolen cards, discussing reward points, billing inquiries, or any other customer service needs. Cardmembers can count on prompt assistance at any hour, as the number provides 24/7 support.