03 9003 4557 - 0390034557: Telstra Impersonation Reports

• Suspicious
• Legit

Community reports for 03 9003 4557 (0390034557): Contributors report callers impersonating Telstra staff, claiming address leaks and data breaches.

Telstra Impersonation Reports for 03 9003 4557

Two contributors have reported calls from 03 9003 4557 (also written as 0390034557) where callers impersonated Telstra representatives. The reports indicate a coordinated impersonation approach, with callers making specific claims about data breaches and address leaks to establish credibility and urgency.

What makes these calls particularly deceptive is that at least one caller had proper Telstra caller ID information, which created a false sense of legitimacy. This spoofed caller ID combined with impersonation tactics is a known red flag for sophisticated scam operations.

What Callers from 03 9003 4557 Claim

Contributors who received calls from 0390034557 report the following patterns:

• A woman claiming direct affiliation with Telstra
• Claims about address leaks or data breaches affecting the recipient
• False claims that Telstra manages Optus customer addresses (cross-carrier impersonation)
• Proper Telstra caller ID displayed, despite the call coming from 03 9003 4557

One contributor noted the caller became evasive when questioned about the legitimacy of the call, immediately hanging up rather than providing verifiable information. This is a classic indicator of a fraudulent caller unable to withstand basic scrutiny.

Report Patterns

Both reports about 03 9003 4557 came from calls that were answered, suggesting the callers may be using predictive dialling or list-based calling. The reports were submitted within a week of each other (15 and 22 February 2026), indicating active calling campaigns during that period.

The use of spoofed Telstra caller ID on 0390034557 is particularly concerning because it bypasses standard phone screening mechanisms. Many Australians trust Telstra caller ID, making this an effective social engineering tactic.

What to Do If You Receive a Call from 03 9003 4557

If 03 9003 4557 calls you claiming to be from Telstra or any telecommunications provider:

• Do not: Provide personal information, account details, passwords, or payment information
• Do not: Confirm your address or other identifying details
• Do not: Click any links or download files the caller references
• Do: Hang up immediately if the caller becomes evasive or defensive when questioned
• Do: Block the number 0390034557 in your phone settings
• Do: Verify any claimed data breach independently by contacting Telstra directly using the number on your bill or official Telstra website, never using a number the caller provides
• Do: Remember that legitimate telecommunications companies never call unsolicited to inform you of address leaks or data issues

How to Report 03 9003 4557

If you receive a suspicious call from 03 9003 4557 claiming to be from Telstra or another provider:

• Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au
• Report the spoofed caller ID abuse specifically, as this is a violation of telecommunications regulations
• Lodge a report with Scamwatch at scamwatch.gov.au with details of the caller's claims
• Contact Telstra directly to report that their caller ID has been spoofed
• Block 0390034557 in your phone to prevent future calls
• Share your experience on Reverseau to help other Australians identify this number

Frequently Asked Questions