0434 401 966 - 0434401966: NAB Impersonation and Callback Lure

• Suspicious

One contributor reported receiving an email impersonating NAB at 0434 401 966 (0434401966), claiming a fraudulent transaction and requesting a callback to verify.

NAB Impersonation Reports for 0434 401 966

A contributor has reported receiving a deceptive email appearing to come from NAB that included the mobile number 0434 401 966 (also written as 0434401966). The email claimed a recent transaction had occurred on the recipient's account and instructed them to call the number if they did not recognise the payment. The contributor identified this as a dangerous impersonation attempt designed to trick account holders into calling back and potentially disclosing sensitive banking information.

This report highlights a common hybrid scam tactic where fraudsters use email to establish false urgency and credibility by impersonating a trusted bank, then embed a callback number (0434401966) to capture victims at the point of verification. The Optus mobile number format lends surface-level legitimacy that increases the likelihood victims will return the call.

What Callers from 0434 401 966 Likely Request

Based on the report, callers answering the callback to 0434 401 966 would likely pose as NAB fraud verification staff. The contributor noted the email made no sense (referencing nonsense transactions), which is typical of mass-sent phishing emails designed to catch inattentive recipients. Once a victim calls 0434401966 expecting to speak with their bank, scammers would almost certainly request verification details such as card numbers, PIN codes, online banking credentials, or one-time passwords.

Why This Number Appears in Email Scams

The use of a standard Australian mobile number (0434 401 966) in a spoofed NAB email is a deliberate tactic to bypass email filtering and appear more credible than a landline or international number would. Contributors receiving such emails often have split-second decision windows before they might call back in a panic about their account. The callback-lure strategy is designed to catch people in an emotional state where they are less likely to verify the sender independently.

What to Do If You Receive an Email Referencing 0434 401 966

If you receive an email claiming to be from NAB or another financial institution and asking you to call 0434 401 966:

• Do not: Call the number provided in the email, reply to the email, or click any links
• Do not: Provide card details, PIN codes, passwords, or one-time codes to anyone who calls you unsolicited
• Do: Delete the email immediately
• Do: Contact NAB directly using the phone number on the back of your card or the official NAB website to verify whether the transaction is legitimate
• Do: Report the email as phishing to your email provider
• Do: Forward suspicious banking emails to the bank's official fraud reporting address (NAB's phishing address is phishing@nab.com.au)

What to Do If Someone Calls You from 0434 401 966

If you receive a call from 0434 401 966 claiming to be from NAB:

• Do not: Stay on the call or provide any personal, card, or banking information
• Do: Hang up immediately
• Do: Block the number on your phone
• Do: If you are concerned about a recent transaction, hang up and call NAB directly using the number on your card
• Do: Report the call as a scam attempt

How to Report 0434 401 966

If you received an email or call from 0434 401 966 impersonating NAB or another organisation:

• Report the scam attempt to Scamwatch at scamwatch.gov.au
• Report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au
• Forward phishing emails to the relevant bank's fraud team (e.g., phishing@nab.com.au for NAB)
• Contact ReportCyber at cyber.gov.au if the scam involved malware or data theft
• Report the number on Reverseau to help other contributors identify similar scams

Frequently Asked Questions