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What is the alternative if I do not want to provide a mobile number?

Currently, the only way to access Centresuite is by entering a one-time verification code sent to your mobile by text message when you are logging in. You may be able to move to either Barclaycard Spend Management (Visa) or Barclaycard Commercial Online Services (MasterCard). These platforms require your card details and a verification code from a PINsentry card reader. If you would like to do this, please contact your Barclaycard Relationship Manager.