Last updated on June 26th, 2019 at 12:20 pmCredit Suisse Customer Service Phone Numbers  Customer Service: (0)848 880 844 Private Clients:+41 (0)848 880 844) Corporate Clients:+41 (0)800 88 88 74 Online & Mobile Banking Private Clients:+41 (0)844 800 888) Corporate Clients:+41 (0)800 881 188 Blocked Cards:+41 (0)800 800 488 Credit Suisse Headquarters Info, Email, Phone number,