To start using Westpac One® online banking, you will first need to register to receive an online banking Customer ID, then you will be ready to log in and start banking on the go. 

Step 1 – Choose how you would like to register 

  • Call us on 0800 400 600 and press '6' to be transferred to one of our dedicated team members. We'll get you sorted over the phone 
  • Call +64 9 912 8000 if you're overseas (international toll charges apply) 
  • Visit your local branch. 

 Step 2 – Login 

  • As soon as you're registered you can start using Westpac One 
  • If you're on a computer, visit Westpac and click 'Login' in the top right hand corner of the web page
  • If you're on a smartphone or tablet, download the Westpac One online banking app for free: 
    • From an iPhone or iPad, visit the App Store
    • From an Android phone or tablet, visit Google Play 
  • Simply enter your Customer ID number and password and follow the prompts to set up your Westpac One profile.