How to Find Your Westpac BPAY Biller Code

Locating Your Westpac Biller Code and CRN

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

When you want to pay your Westpac credit card or personal loan using an account from a different bank, you need a specific BPAY Biller Code and a Customer Reference Number (CRN). Because Westpac offers various financial products, there isn't just one universal code for the entire bank. Instead, the code depends entirely on the specific account you are trying to pay off.

Finding this information usually requires checking your most recent statement or logging into your digital banking profile. The routing system relies heavily on the CRN to ensure your funds reach your specific account rather than sitting unallocated in a general bank ledger.

Key Information for Westpac BPAY Details

Category Details
Where to Find It Physical statements, e-statements (PDF), Westpac App, and Online Banking.
Processing Time Payments sent via BPAY from other banks typically clear within 1 to 2 business days.
Eligibility Applicable for Westpac credit cards, personal loans, and some specialized finance products.
Key Requirements The specific product Biller Code and your unique Customer Reference Number (CRN).

Step-by-Step Guide to Finding Your Code

In practice, the quickest way to locate your exact payment details is by retrieving your most recent account statement.

  1. Log in to the Westpac App or Westpac Online Banking using your Customer ID and password.
  2. Navigate to the specific account you wish to pay, such as your Altitude credit card or personal loan.
  3. Select the 'Statements' to view your recent transaction history.
  4. Download or open your most recent monthly statement as a PDF file.
  5. Scroll to the bottom of the first page (or the designated payment slip section) and look for the standard BPAY logo.
  6. Record the Biller Code listed next to the logo, along with the CRN provided directly beneath it.

Troubleshooting Common Issues

MFA and Login Issues

Cause: You cannot log in to the Westpac App to check your statement because your SMS security code is delayed or missing.

Fix: Check your device's cellular reception, clear out old text messages, and ensure your phone is not in 'Do Not Disturb' mode. Wait a few minutes before requesting a new code.

Fallback: Call Westpac customer service to verify your identity and ask the representative to read your Biller Code and CRN over the phone.

Browser or App Errors

Cause: When trying to view your e-statement, the PDF viewer fails to load, showing a blank screen or a timed-out session error.

Fix: Clear your browser cache and cookies, or update your PDF viewer application. If you are using the mobile app, force-close it and restart.

Fallback: Switch from a mobile device to a desktop computer to download the file, or check the 'Account Details' tab in online banking, which sometimes lists payment information without needing a PDF.

Locked Account and Access Issues

Cause: Attempting to guess your password multiple times while trying to find your biller details triggers a temporary security lock on your profile.

Fix: Stop trying to log in and wait approximately 15 to 30 minutes for the automated temporary hold to lift, then use the 'Forgot Password' prompt.

Fallback: Contact the Westpac support team directly to manually unlock your profile, and ask them for your BPAY payment details while you have them on the line.

Pro-Tip: For most Westpac credit cards, your Customer Reference Number (CRN) is simply your 16-digit card number. Knowing this can save you time if you already have the standard credit card Biller Code saved in your other bank's address book and just need to update the physical card number after a reissue.

Frequently Asked Questions

Why did my BPAY payment to Westpac fail?

If you transferred funds from another institution like NAB or ANZ and the payment bounced back a few days later, this generally happens due to a CRN mismatch. The BPAY system validates the reference number against the biller's database; if you missed a digit or accidentally entered your standard bank account number instead of the 16-digit credit card number, the system cannot allocate the funds. A common limitation is that external banks cannot see your Westpac account names, only the numbers. You should double-check the CRN on your statement, verify the digits in your other bank's payment template, and submit the transfer again.

Can I use the same Biller Code for my Westpac loan and credit card?

Assuming that all payments going to Westpac use the same routing code is a frequent error. Westpac separates its financial products into different internal ledgers, meaning a personal loan has a distinct Biller Code from a Mastercard or a Visa. If you attempt to pay your loan using the credit card code, the internal routing logic will reject the payment because the CRN will not match the product type. To ensure your payments clear successfully, you need to look at the individual statement for each specific product and set them up as separate payees in your banking app.

Where is the Biller Code if I only receive digital statements?

Navigating digital-only correspondence can make finding traditional payment slips confusing. When you opt out of paper mail, Westpac still generates a formal PDF document that looks exactly like a printed bill. The payment details are not usually written in the body of a summary email or a text message alert. What this means is you actually have to open the attached document or download the file from your banking portal. Your next step is to log into your account, open the full PDF version of your latest statement, and look at the bottom of the first page for the BPAY box.

Official Bank Information

Westpac Bank

Support: 13 20 32

SWIFT Code: WPACAU2S

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