You'll need to call us on 0800 400 600, Monday to Friday 7am to 8pm and Saturday and Sunday 8am to 5pm to have your password reset. If you're outside New Zealand, you can reach us on +64 9 912 8000 (standard call charges will apply).

You can edit your challenge questions at any time, provided you can login, using Westpac OneĀ® online banking by clicking 'Profile' and then 'Security Settings'.