How to Locate Your NAB ID Number

Finding and Recovering Your NAB ID Number

Olesya Krasavtseva
Fact-checked by Olesya Krasavtseva
Content Editor at Prostobank Consulting Prostobank Consulting Logo
Updated: 01.09.2026
Table of Contents

Locating Your NAB ID

Your NAB ID is the unique number you use to log into your NAB Internet Banking and the NAB app. It is usually an 8 to 10-digit number that serves as your primary credential for accessing your accounts securely. Keeping this number private is essential for protecting your banking profile.

If you have forgotten your NAB ID or are unsure where to look, the most common place to find it is on the back of your physical NAB debit or credit card. If you do not have a physical card or cannot locate the number, you will need to contact the bank directly to verify your identity and recover it.

Key Information and Requirements

Category Details
Finding your ID Check the back of your NAB debit or credit card.
If ID is forgotten Visit a branch or call customer support for assistance.
Eligibility Personal banking customers with an active NAB ID.
Key Requirements Photo identification (if visiting a branch) or standard security verification (if calling).

Step-by-Step Guide: Recovering Your NAB ID

If you cannot find your NAB ID on your card, follow these steps to securely recover it.

  1. Check your card: Inspect the back of your active NAB debit or credit card, where the ID number is printed for your convenience.
  2. Contact NAB support: If you still cannot locate it, call 13 22 65 to speak with a representative.
  3. Verify your identity: The representative will ask you a series of security questions to confirm your identity before they can discuss your account details.
  4. Visit a branch: If you prefer face-to-face assistance, visit your nearest NAB branch with a current form of photo identification (such as a driver’s licence or passport).
  5. Request assistance: A banker will be able to retrieve or assist you with your NAB ID once your identity has been confirmed.

Troubleshooting ID and Login Access

If you are struggling to access your account, here is how to handle common login hurdles.

MFA / Login Issues

  • Cause: You may be entering the correct NAB ID, but your SMS security code is not arriving due to poor mobile reception or outdated contact details.
  • Simple Fix: Ensure your phone is connected to a stable network, then request a new security code through the login screen.
  • Fallback Action: Call customer support to verify the mobile number registered to your profile and resolve the authentication block.

Browser or App Errors

  • Cause: Stored browser cache or outdated app versions can cause login pages to load incorrectly or display generic error messages.
  • Simple Fix: Clear your browser’s cache and cookies, or update the NAB app to the latest version available in your device’s store.
  • Fallback Action: Attempt to log in from a different device to determine if the error is isolated to your computer or phone.

Locked Account / ID / Access Issues

  • Cause: Repeatedly entering an incorrect NAB ID or password will automatically lock your account to protect your information.
  • Simple Fix: Use the 'Forgot password' link on the login page to reset your credentials securely if you know your NAB ID.
  • Fallback Action: If the account remains locked, you must contact the bank directly or visit a branch to have your access restored.

Pro-Tip: Once you have retrieved your NAB ID, consider saving it in a secure, encrypted password manager. This prevents you from needing to search for your card or contact the bank every time you need to log in to your internet banking.

Frequently Asked Questions

Q: I've looked on my card, but the number isn't there—what should I do?
If your card does not have the NAB ID printed on the back, it is often because it is a different type of card or the details have worn off. In this scenario, the bank's security logic requires personal verification to ensure we are speaking to the account holder before releasing any details. One limitation is that for security reasons, support staff cannot email your NAB ID to you. Your practical next step is to visit a local branch with your photo identification so they can provide you with your details in person.

Q: Is my NAB ID the same as my account number?
No, your NAB ID is a separate credential used exclusively for logging into the digital banking portal, whereas your account number is specific to the individual deposit or loan account you hold. The system logic separates these to keep your login security distinct from your actual account balances. One exception is that if you are a business customer, your User ID might be different from a personal NAB ID. Your practical next step is to check any welcome emails or correspondence you received when you first opened your account.

Official Bank Information

NAB

Support: 13 22 65

SWIFT Code: NATAAU33

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