- Uncertain
- Suspicious
- Scam
- Legit
- Spam
03 8804 5759 (0388045759): 14 community reports of suspicious calls including robocalls with payment requests, silent calls, and potential spoofed numbers from Optus network in Victoria.
Robocall and Silent Call Reports for 03 8804 5759
Community reports for 03 8804 5759 (also written as 0388045759) reveal a pattern of automated and evasive calling behaviour. Fourteen contributors have flagged activity from this Optus-allocated Victorian number, with specific reports of robocalls attempting to extract payment authorisation and silent calls that terminate immediately upon connection. The number consistently triggers red flags for spoofing and automated calling tactics.
Multiple contributors attempting to verify 0388045759 by calling back received "number not in service" messages, a common indicator of number spoofing. This discrepancy between the apparent caller ID and the actual routing suggests the number may be used as a false identifier in scam campaigns rather than as a genuine outbound line.
What Callers from 03 8804 5759 Do
The reported behaviour from 03 8804 5759 falls into distinct patterns. One contributor received an automated recorded message claiming "the number is no longer in service," a tactic sometimes used to confuse recipients or create urgency. Another report describes a recorded voice explicitly asking to "authorize payment," delivered with what the contributor perceived as pressure to act quickly.
Silent calls represent a secondary tactic associated with 0388045759. A contributor answered to find the caller immediately hung up without speaking. These silent calls often serve as verification probes - callers test whether a number is active and monitored before escalating contact attempts.
Some calls appear designed to solicit participation in surveys, with contributors reporting calls about "cost of living surveys." These lower-pressure approaches may be used to establish contact and gather information before more aggressive follow-up attempts targeting 03 8804 5759 recipients.
Report Timeline and Frequency
Activity flagged against 0388045759 spans from May 2024 through November 2025, indicating sustained use of this number in unwanted calling campaigns. The reports cluster across multiple months rather than showing a concentrated burst, suggesting ongoing misuse rather than a single short-term incident.
Call channels vary across the reports. Some contributors report answered calls, others describe missed calls without voicemail, and several note they deliberately avoided answering 03 8804 5759 when caller ID appeared. Evening hours feature in several reports, with timestamps around 19:00-23:00, though activity also occurs during business hours and early morning (05:00-06:00).
What to Do If You Receive a Call from 03 8804 5759
If 03 8804 5759 calls you:
- Do not: Authorize any payments, confirm personal details, or call back the number to verify it
- Do not: Provide bank account, credit card, or tax file number information
- Do: Let the call go to voicemail or decline it immediately
- Do: Hang up if you answer and hear a recorded message or silence
- Do: Block the number in your phone settings after one contact
- Do: If you accidentally provided information, contact your bank immediately
For robocalls requesting payment, do not proceed with any authorisation. Legitimate organisations do not request payment authorisation via unsolicited robocalls. If you believe the call relates to a genuine debt or service issue, contact the relevant organisation directly using a known phone number from their official website rather than any number provided during the call.
How to Report 03 8804 5759
Report calls from 03 8804 5759 to the following Australian regulatory authorities:
- ACMA (Australian Communications and Media Authority): acma.gov.au - Report unwanted calls, robocalls, and suspected spoofing
- Scamwatch: scamwatch.gov.au - Report payment request scams and robocall attempts
- ReportCyber: cyber.gov.au - If any cybercrime element or data breach is suspected
- Do Not Call Register: donotcall.gov.au - Lodge a complaint for unsolicited telemarketing
You can also contribute your own report about 0388045759 directly to Reverseau, helping other Australians identify the risks associated with this number. Community reports create the intelligence that protects others from similar unwanted contact.
Help others by sharing your experience with (03) 8804 5759!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Missed call, no message left
Got a call but wasn't keen on answering, sounded dodgy
Looks sketchy, might be a scam
No idea who it is but seems a bit sus, might be a scam
Recorded message saying the number is no longer in service
Call seemed genuine but something about it was off
Likely a spoofed number, called back and got not in service message
Answered but caller hung up immediately
Some supposed cost of living survey.
Recorded voice asking to authorize payment
Scammers, do not answer
Dialed back and got number not in service message
Spam number, don't answer
Some supposed cost of living survey.
Help others by sharing your experience with (03) 8804 5759!
WRITE A REVIEWFrequently Asked Questions
What does it mean if 03 8804 5759 shows a recorded message saying 'number not in service'?
Multiple contributors reported that calling back 0388045759 yields a 'number not in service' message, despite the number appearing as the incoming caller ID. This pattern suggests the number may be spoofed - displayed to you as the caller ID while actually originating from a different line. Spoofing is common in scam campaigns because it hides the real source of the call. Do not rely on caller ID alone to verify legitimacy.
Why did 03 8804 5759 call me and hang up immediately?
Silent calls or immediate hang-ups from 0388045759 are often used to verify that your number is active and monitored. Scammers use silent calls as low-risk probes - if you answer, they know the number is in use and may escalate contact attempts or sell your number to other scam operations. Blocking 03 8804 5759 after a silent call helps prevent follow-up contact.
Is the robocall from 03 8804 5759 asking to 'authorize payment' legitimate?
No. Legitimate organisations, banks, and government agencies do not request payment authorisation via unsolicited robocalls from 0388045759 or any number. A contributor reported receiving an automated message asking to authorize payment from this number - this is a scam tactic. Hang up immediately and do not provide any confirmation or payment details.
What is the 'cost of living survey' call from 03 8804 5759?
Two contributors reported calls from 0388045759 claiming to be a cost of living survey. These appear to be either survey fraud (gathering personal information under false pretences) or a pretext to establish contact before more aggressive sales or scam attempts. Legitimate surveys identify their organisation upfront and respect Do Not Call preferences. Do not participate in surveys from 03 8804 5759.
Should I call back 03 8804 5759 to find out who called me?
No. Calling back 0388045759 is not recommended. Multiple contributors who called back received 'number not in service' messages, wasting time and potentially confirming to scammers that your number is active. If you need to verify a call, contact the organisation directly using a phone number you find independently on their official website, not any number provided by the caller.
What provider is 03 8804 5759 associated with?
03 8804 5759 is allocated to Optus Networks as a local-service number in Victoria. While the number carries a Victorian allocation, the actual origin of calls may differ due to spoofing. Reporting this number to ACMA at acma.gov.au helps identify spoofing networks and protects other Australians from similar scam calls using 0388045759.