03 4250 9596 - 0342509596: NAB Impersonation SMS Scam

• Suspicious
• Scam

Community reports for 03 4250 9596 (0342509596): SMS impersonation scams claiming to be from NAB, requesting verification codes and personal information.

NAB Impersonation SMS Scam Reports for 03 4250 9596

Two contributors have reported suspicious SMS messages from 03 4250 9596 (also written as 0342509596) impersonating the National Australia Bank. The reports indicate a coordinated impersonation tactic where scammers send fake NAB verification requests designed to trick recipients into sharing sensitive authentication codes.

Both reports about 0342509596 describe SMS messages claiming to be official NAB communications. The messages employ a deceptive strategy by instructing recipients not to share codes with NAB staff, which reverses legitimate bank security protocols and is a clear red flag that the SMS is fraudulent. One contributor immediately recognised the scam attempt and called out how obvious the tactics were.

What Callers from 03 4250 9596 Request via SMS

The SMS messages from 03 4250 9596 display hallmark impersonation characteristics. One report describes a message stating "909930 don't share code with anyone not even NAB, if didn't ask for it call 03 4250 9596." This phrasing is deliberately designed to confuse recipients by mimicking legitimate security warnings while actually being part of the scam.

The tactic embedded in 0342509596 SMS attempts is sophisticated in its reversal of trust. Legitimate banks never instruct customers not to share codes with bank staff, because actual NAB representatives already have access to accounts and would never need verification codes. By instructing recipients to call the provided number if they didn't request the code, scammers using 03 4250 9596 try to establish a fake support channel where further personal information can be extracted.

Why These SMS Impersonations Are Dangerous

NAB impersonation SMS scams targeting contributors via 03 4250 9596 pose immediate financial risk. Two-factor authentication codes are the final security barrier protecting bank accounts. If a scammer obtains the code sent from 0342509596, they can potentially access accounts, transfer funds, or change account settings without the legitimate owner's knowledge.

The impersonation approach used by 03 4250 9596 is particularly effective because NAB customers genuinely receive legitimate verification codes during normal banking activity. Scammers exploit this familiarity by sending nearly identical-looking SMS messages, banking on the brief moment of confusion before recipients realise 0342509596 is not an official NAB number.

What to Do If You Receive an SMS from 03 4250 9596

If you receive an SMS claiming to be from NAB or any financial institution:

• Do not: Share any verification codes, passwords, or personal identification numbers with anyone via SMS or by calling numbers in the message
• Do not: Click links in unexpected SMS messages, even if they appear to come from your bank
• Do not: Call the number provided in a suspicious SMS
• Do: Hang up immediately and contact your bank using the official number on the back of your card or their official website
• Do: Block the number 03 4250 9596 in your phone settings
• Do: Delete the SMS without engaging further
• Do: Report the SMS as spam to your mobile provider by forwarding to 0429 999 888

Report Patterns for 03 4250 9596

Both community reports about 0342509596 came through SMS channel, indicating this is a text-based impersonation campaign rather than phone calls. The reports span a 3-day period in mid-October 2025, suggesting the scam operation may be active during specific windows or targeting multiple recipients in succession.

One contributor's report about 03 4250 9596 demonstrates awareness of the tactic, explicitly noting how obvious the scam attempt was. This suggests the impersonation quality from 0342509596 may be relatively crude compared to some sophisticated phishing operations, though this does not make it less dangerous if recipients are unfamiliar with NAB's actual security practices.

How to Report 03 4250 9596

• Report to ACMA (Australian Communications and Media Authority): Visit acma.gov.au to report SMS scams and malicious communications. ACMA can take action against telecommunications providers facilitating scam activity on 0342509596
• Report to Scamwatch: Document the SMS content and report to scamwatch.gov.au, the Australian government's official scam reporting service. Scamwatch tracks impersonation patterns involving major Australian banks
• Report to NAB directly: Contact National Australia Bank through their official website or phone number on your card to report the impersonation attempt using 03 4250 9596. Banks use these reports to strengthen their fraud detection systems
• Report on Reverseau: Share your experience with 0342509596 on this platform to help other Australians identify and avoid the same scam
• Forward to 0429 999 888: Australian mobile carriers accept spam and scam SMS reports forwarded to this number. Include the full SMS content and the number 03 4250 9596

Frequently Asked Questions