How do I sign up to Westpac's online banking so I can get access to CashNav?

You need to be a Westpac customer to use Westpac One® Online Banking. Sign up to Westpac One by:

• Calling us on 0800 400 600 and we'll sort it out over the phone, or
• Calling +64 9 912 8000 if you're overseas (international toll charges apply), or
• Visiting us at any Westpac branch.