- Spam
- Scam
- Suspicious
03 9003 1109 (0390031109): Multiple reports of callers falsely claiming to be Telstra, alleging account compromise and IP security issues to extract personal information.
Telstra Impersonation Reports for 03 9003 1109
Community reports for 03 9003 1109 (also written as 0390031109) consistently describe callers falsely claiming to represent Telstra. The impersonation tactic focuses on creating urgency around alleged account compromise and IP address security vulnerabilities. Four contributors have flagged this number for scam activity, with two reports specifically highlighting the impersonation tactic and one documenting a request for personal information to "verify" the account.
The pattern across reports about 0390031109 reveals callers attempting to convince recipients that their Telstra accounts have been compromised or their internet connections are vulnerable. When challenged or when recipients indicate they are not Telstra customers, callers from 03 9003 1109 have hung up abruptly or become abusive rather than providing legitimate verification.
What Callers from 03 9003 1109 Claim
Contributors report that callers from 03 9003 1109 make specific technical claims designed to alarm recipients. One caller stated that the recipient's "internal IP address was compromised and being used in the USA." Another report describes a caller asserting that the recipient's "internet was partly open to public." These claims are presented as security threats requiring immediate action.
When recipients of calls from 0390031109 request verification or express scepticism, callers respond defensively. One contributor noted that after questioning the caller's legitimacy, the caller "went to get her manager" rather than providing credential verification. Another contributor reported the caller became abusive when called out on the false claim. A separate report indicates that when the recipient mentioned they would check if it was a scammer, the caller immediately hung up, suggesting the caller recognised the deception had been detected.
Call Patterns and Reporting Details
All six reports involving 03 9003 1109 came through answered calls, indicating the number is actively dialling out. The scam reports span from late February through late March 2026, suggesting ongoing activity. One contributor described the caller as "rude" and noted she "tried to scare" them from the outset. Reports indicate callers from 0390031109 maintain the Telstra impersonation until directly confronted with scepticism or proof of non-Telstra status.
Notably, one report about 03 9003 1109 captured a caller attempting the personal information request tactic, asking recipients to provide details "to prove" their account. This escalates beyond simple impersonation to active data harvesting. The presence of both tactics-impersonation and personal information requests-across multiple reports suggests a structured scam operation using this number.
What to Do If You Receive a Call from 03 9003 1109
If 03 9003 1109 calls you:
- Do not: Provide personal information, account details, passwords, or IP address information; attempt to follow the caller's instructions; allow the caller to remote into your device
- Do: Hang up immediately if the caller claims to be from Telstra; independently contact Telstra using the number on your bill or their official website to verify any account issues; stay calm if the caller becomes abusive or aggressive; block the number immediately after disconnecting
- Remember: Telstra will never call asking you to verify your IP address or claiming your internet is "partly open to public." These are not legitimate security concerns Telstra would raise via unsolicited calls
How to Report 03 9003 1109
If you receive calls from 03 9003 1109 or 0390031109:
- Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au - they investigate telecommunications scams and can take action against persistent offenders
- Lodge a report with Scamwatch at scamwatch.gov.au - this helps track scam patterns and protects other Australians
- Contact Telstra directly to report the impersonation and confirm whether there are any legitimate security issues with your account
- Block the number on your phone to prevent future calls from 03 9003 1109
- Report the number on Reverseau to contribute community intelligence and help others identify 0390031109
Why This Impersonation Works
Telstra impersonation scams exploit trust in a major Australian provider and create false urgency around security threats that sound technically plausible but are intentionally vague. The claims about IP addresses and account compromise are designed to bypass rational assessment-most recipients are not IP engineers and may feel unsure about technical details. Callers from 03 9003 1109 rely on this uncertainty, requesting personal information "to verify" the problem before the recipient can independently confirm the threat. The fact that callers from 0390031109 become abusive or hang up when challenged suggests they are trained to abandon the call rather than provide verifiable proof, indicating awareness that their claims cannot withstand scrutiny.
Help others by sharing your experience with (03) 9003 1109!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Rude person, minute I said she was from a call centre she tried to scare me, hung up when I said I'd check if scammer
Called claiming my Telstra internal IP address was compromised and being used in the USA, quickly hung up when I said I'm not with Telstra!
Stated calling from Telstra.
Compromised ip address.
Woman claiming to be from Telstra, when I asked her to prove it she went to get her manager, said my internet was partly open to public
Called claiming my Telstra account was compromised, got abusive when I called him out
electricity comparison call
Help others by sharing your experience with (03) 9003 1109!
WRITE A REVIEWFrequently Asked Questions
What should I do if 03 9003 1109 calls claiming my Telstra account is compromised?
Hang up immediately. Do not provide any account information, passwords, or personal details. Independently contact Telstra using the phone number on your bill or their official website (telstra.com.au) to verify the claim. Telstra will never ask you to provide personal information or remote access via an unsolicited call. Block 0390031109 to prevent further contact.
Why do callers from 0390031109 claim my IP address is compromised?
This is a common impersonation tactic designed to create alarm. Contributors who received calls from 03 9003 1109 report specific claims about IP addresses being "used in the USA" or internet being "partly open to public." These claims sound technical enough to seem plausible but are intentionally vague and unverifiable. Legitimate Telstra communications about security would be specific, verifiable, and never solicited via unsolicited calls from 0390031109.
What happens if I ask for verification from the caller on 03 9003 1109?
Based on community reports about 0390031109, callers either hang up abruptly, become abusive, or avoid providing real verification details. One contributor noted the caller said they would get their manager but never returned. Another reported the caller became aggressive when the security claim was questioned. This defensive response-rather than legitimate verification-is a clear sign the call from 03 9003 1109 is a scam.
Should I try to verify if 03 9003 1109 is really Telstra by engaging with the caller?
No. Do not engage with callers from 0390031109 or attempt to verify their claims through the call itself. Hang up and contact Telstra directly using contact details you source independently. One contributor mentioned they would "check if scammer" after stating they were from a call centre, and the caller from 03 9003 1109 hung up immediately. Scammers hang up when they realise verification is about to occur, which confirms the call is fraudulent.
How many people have reported 03 9003 1109 for Telstra impersonation?
Four contributors have reported calls from 03 9003 1109 (0390031109) as scam attempts, with two reports specifically documenting the Telstra impersonation tactic. At least one of those reports also indicates the caller requested personal information to "verify" the account. The consistency of these reports across multiple contributors over several weeks suggests an ongoing impersonation operation using this number.
What should I do after receiving a call from 0390031109?
Block 03 9003 1109 immediately on your phone. Report the number to ACMA (acma.gov.au), Scamwatch (scamwatch.gov.au), and Telstra directly. If you provided any information during the call, contact your bank and monitor your accounts for suspicious activity. Report 0390031109 on Reverseau to help other Australians identify this impersonation scam and protect the community.