- Unknown
- Uncertain
- Suspicious
03 9003 4528 (0390034528): One contributor reports this number impersonates Telstra in a scam. Two additional uncertain reports. Check who called.
Telstra Impersonation Reports for 03 9003 4528
One contributor has flagged 03 9003 4528 (also written as 0390034528) as a number masquerading as Telstra. This single suspicious report indicates the caller falsely claimed to represent Australia's major telecommunications provider, which is a common tactic used in telecom-related scams targeting Australians.
Two additional reports about 0390034528 express uncertainty about the number's origin. One contributor received a missed call from 03 9003 4528 with no voicemail left, while another simply noted the number seemed suspicious without providing further detail. The pattern of a missed call followed by no message is consistent with caller verification scams, where fraudsters test whether a number is active before launching a full social engineering attempt.
What Callers from 03 9003 4528 Claim
Based on community reports, the caller from 03 9003 4528 claims affiliation with Telstra. Impersonating Telstra is particularly effective because most Australians have some interaction with the carrier, making the claim appear plausible during a cold call. Contributors should be aware that Telstra will not contact customers unsolicited about account issues, service upgrades, or billing problems via cold calls, though scammers routinely use this false premise.
Report Patterns and Timing
The three reports for 03 9003 4528 span from mid-January to early February 2026. The most recent report (10 February) provided the specific scam warning about Telstra impersonation, while the missed call on 26 January and the uncertain report on 14 January suggest multiple contact attempts from this number over a four-week period. The variation in contributor confidence-from a definite scam warning to uncertain suspicion-suggests the caller may adjust their pitch or approach based on who answers.
What to Do If You Receive a Call from 03 9003 4528
If 03 9003 4528 calls you:
- Do not: Confirm your name, account details, banking information, or payment methods. Do not provide any personal identification or security details even if the caller claims to verify your account.
- Do: Hang up immediately if the caller claims to be from Telstra but you did not initiate contact. Verify any legitimate Telstra communication by calling Telstra directly on 133 200 using a phone number you find independently, never using a number provided by the caller.
- Block the number: Use your phone's native blocking feature to prevent further calls from 0390034528.
- Do not return the call: If you receive a missed call from 03 9003 4528, do not call back, as this confirms your number is active and may increase unwanted contact.
How to Report 03 9003 4528
If you receive a call from 03 9003 4528 claiming to be Telstra:
- Report it to the Australian Communications and Media Authority (ACMA) at acma.gov.au. ACMA investigates telecom fraud and scam complaints.
- Report the scam to Scamwatch at scamwatch.gov.au, which tracks and publishes warnings about active scams.
- Contact Telstra directly to inform them their identity is being used for scams. You can call Telstra on 133 200 to report the impersonation.
- Consider reporting to ReportCyber at cyber.gov.au if the scam involved attempts to gain remote access to your device or accounts.
- Help other Australians by contributing your experience to Reverseau, allowing community members to cross-reference the number and recognise similar calls.
Help others by sharing your experience with (03) 9003 4528!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Warning that this number is masquerading as Telstra and is a scam
Missed call, no message left
Seems fishy, wondering who it is
Help others by sharing your experience with (03) 9003 4528!
WRITE A REVIEWFrequently Asked Questions
Is 03 9003 4528 a real Telstra number?
No. One contributor reported that 03 9003 4528 is impersonating Telstra, not representing the company. Telstra's official customer service number is 133 200. If you receive a call claiming to be from Telstra on 0390034528, do not provide any personal or financial information. Telstra will never ask for passwords, PINs, or banking details via unsolicited calls.
What should I do if 03 9003 4528 calls asking for account verification?
Hang up immediately and do not provide any information. If you need to verify a Telstra account issue, call 133 200 directly yourself using a number you find independently. Never use contact details provided by an incoming caller, as this is a standard scam technique. The caller from 03 9003 4528 is not authorised to access your account.
Why did I receive a missed call from 0390034528?
One contributor reported a missed call from 03 9003 4528 with no voicemail left. This pattern is typical of scammers testing whether a phone number is active and monitored before attempting a full social engineering call. Scammers often use automated diallers to verify phone numbers in bulk. Do not return this call, as it confirms your number is active and monitored.
Has anyone reported this being a Telstra scam before?
Yes. One contributor specifically reported that 03 9003 4528 is masquerading as Telstra and running a scam. Two additional reports expressed suspicion about the number without providing specific detail. If you have also received a call from 0390034528 claiming to be Telstra, report it to ACMA at acma.gov.au and Scamwatch at scamwatch.gov.au to help warn other Australians.
What personal information should I never give to a caller from 03 9003 4528?
Do not provide your full name, address, date of birth, phone number, email, customer account number, banking details, credit card number, or security information (passwords, PINs, security questions) to any unsolicited caller claiming to be from Telstra on 03 9003 4528 or any other number. Telstra employees will never request this information via cold calls.
How do I report 0390034528 to authorities?
Report calls from 03 9003 4528 to ACMA (acma.gov.au), which regulates telecommunications in Australia and investigates scams. Also report to Scamwatch (scamwatch.gov.au), Australia's official scam alert service. If the caller attempted to gain remote access to your device, report to ReportCyber (cyber.gov.au). Contact Telstra directly on 133 200 to inform them their name is being misused.