03 8641 9121 - 0386419121: NAB Bank Impersonation Scam

• Uncertain
• Suspicious
• Scam
• Unknown

Community reports for 03 8641 9121 (0386419121): Callers impersonate NAB Fraud Team, claim unauthorized card charges, request verification codes. Victoria-based Telstra number.

NAB Bank Impersonation Reports for 03 8641 9121

Four contributors have reported receiving scam calls from 03 8641 9121 (also written as 0386419121) where callers impersonate the NAB Fraud Team. The pattern involves callers claiming to investigate fraudulent transactions on the recipient's account, then requesting sensitive verification details. When contacted directly, NAB confirmed these calls did not originate from the bank.

What makes these calls particularly convincing is that callers sometimes reference legitimate account details. One contributor reported that the caller from 0386419121 already knew information about their account before requesting identification, suggesting possible data sourcing. However, when the scammer attempted to verify additional details, inconsistencies emerged that exposed the fraud.

What Callers from 03 8641 9121 Claim

Contributors describe a consistent script used by callers from 03 8641 9121. The typical approach involves claiming there are unauthorized transactions requiring immediate verification. Reported scenarios include:

• Fraudulent eBay charge detected on the recipient's card
• Overseas card usage in Malaysia and Arizona
• MasterCard transactions that recipients don't actually have
• Requests for six-digit verification numbers or codes

One contributor noted the caller from 0386419121 specifically asked for a six-digit number instead of the standard four-digit verification code typically used by banks, a deviation that proved to be the red flag. Another contributor reported the scammer from 03 8641 9121 hung up immediately when challenged about inconsistencies in the account details.

How the Scam Unfolds

The sequence reported across calls from 03 8641 9121 follows a predictable pattern. Initial contact claims to be from NAB's fraud investigation team. The caller then describes a specific transaction that sounds plausible, often relating to common online services like eBay or international purchases. Before requesting any action, the caller may drop specific account information to build credibility. The request then escalates to verification codes or sensitive identification details. When recipients question the caller's knowledge or request confirmation through official NAB channels, the caller either attempts incorrect verification (getting names or details wrong) or disconnects entirely.

What to Do If You Receive a Call from 03 8641 9121

If 03 8641 9121 calls you:

• Do not: Provide any verification codes, PIN numbers, passwords, or six-digit authentication numbers requested over the phone
• Do not: Confirm account details, card numbers, or personal information in response to questions
• Do not: Allow urgency or threats of fraud to pressure you into immediate action
• Do: Hang up immediately and call your bank's official number from your statement or their website
• Do: Report the call to your bank through their verified contact channels
• Do: Block 0386419121 on your phone to prevent repeated calls
• Do: Note the exact time and any details mentioned for your bank's fraud team

Report Patterns and Timing

All four reports of calls from 03 8641 9121 were logged as answered calls, meaning contributors engaged with the scammer before recognizing the fraud. Reports span from April 2025 through March 2026, indicating this number remains actively in use for scam activity. The calls appear to target customers of major Australian banks, with contributors independently verifying through official channels that the calls were fraudulent.

The Telstra-allocated Victoria number suggests the scammers may be operating locally or spoofing a local number for credibility. Each call from 03 8641 9121 follows the same impersonation approach but may reference different card types or transaction scenarios depending on what information the scammer has obtained.

How to Report 03 8641 9121

If you receive a scam call from 03 8641 9121:

• Report to your bank immediately through their official fraud team number on the back of your card or their website
• Report to the Australian Communications and Media Authority at acma.gov.au
• Lodge a report with Scamwatch at scamwatch.gov.au with details of what was claimed
• Report the number to ReportCyber at cyber.gov.au if financial details were compromised
• Block the number 0386419121 on your phone to prevent further contact
• Share your experience on Reverseau to help other Australians identify this scam number

Frequently Asked Questions