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What is a Temporary Security Number and when do I use it?

A Temporary Security Number is a code we use as an additional security measure to confirm your identity if:


  • You're registering for Online Banking for the first time
  • You’ve forgotten your login details
  • You've locked your security number, you're using a browser on a computer or mobile device we don't recognise and we don't have your up to date mobile phone number
  • You've locked your password, you're using a browser on a computer or mobile device we don't recognise and we don't have your up to date mobile phone number.
If you know your security number and security questions, it is possible to call us on 0345 300 3511* and update your mobile number.
Calls may be recorded. *This number may be included as part of any inclusive call minutes provided by your phone operator.
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