How do I update my mobile phone number that I have registered with Westpac?

You can update your mobile phone number through any of the options below:

• through Westpac One®, online banking - the Online Guardian 30-day period applies
• by calling the Contact Centre on 0800 888 111
• by visiting your nearest local Westpac Branch.

Note: an update to your mobile number in Branch or with the Contact Centre will be effective immediately.