- Spam
Community reports for 02 3815 5735 (0238155735) describe robocall activity and spam calls from a call centre environment in NSW.
Robocall and Spam Reports for 02 3815 5735
Two contributors have reported suspicious activity from 02 3815 5735 (also written as 0238155735), a local NSW number allocated to Symbio Networks. One report specifically identifies robocall characteristics, while the other flags general spam activity. The number is associated with a local service provider rather than a major organisation, yet contributors report call centre-like behaviour suggesting it may be used for bulk calling campaigns.
What Callers from 02 3815 5735 Say
One contributor who answered a call from 02 3815 5735 reported hearing significant background chatter typical of call centre environments, with inconsistent English-language speech. The caller did not leave voicemail or clear messaging about purpose. When the contributor attempted to call the number back, the call would not go through, which is common with robocall systems that use one-way calling infrastructure.
Robocall Characteristics and Call Patterns
The call from 0238155735 displayed robocall indicators including a call centre background, poor call quality, and non-responsive callback functionality. The contributor noted difficulty reaching the number when attempting a return call, suggesting automated dialling rather than genuine business operation. A separate report from 02 3815 5735 flagged the number as spam without further detail, indicating the number may be part of ongoing unwanted calling activity in NSW.
What to Do If You Receive a Call from 02 3815 5735
If 02 3815 5735 calls you:
- Do not: Answer if the number is unknown, return the call, or engage with any requests for personal information
- Do: Let it ring to voicemail, block the number immediately if it calls again, and mark it as spam or suspected robocall in your phone settings
- If you do answer: Hang up immediately if you hear background call centre noise, automated systems, or unclear speech
- Do not: Press any numbers or buttons in response to automated prompts, as this can confirm your number is active
How to Report 02 3815 5735
Robocalls and unsolicited spam activity should be reported to Australian authorities:
- ACMA (Australian Communications and Media Authority): Report the number at acma.gov.au/complaints - include the date, time, and nature of the call
- Scamwatch: If the call involved a scam attempt, report details at scamwatch.gov.au
- Do Not Call Register: Register your number at donotcall.gov.au to reduce telemarketing calls, though robocalls may require separate reporting
- Block on Reverseau: Report your experience with 0238155735 directly on this page to help other Australians recognise the number
Why This Number May Be Calling
The allocation of 02 3815 5735 to a local service provider in NSW combined with robocall characteristics suggests the number may be used for bulk marketing campaigns, fake caller ID spoofing, or automated calling systems. Call centre-style background noise indicates this is likely not a legitimate business calling from a standard office. Contributors should treat calls from 02 3815 5735 as high-risk and avoid any engagement.
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WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Sounded like call centre with lots of background chatter, English all over the place, tried calling back and it didn't go through
another spam call
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WRITE A REVIEWFrequently Asked Questions
What does it mean that 02 3815 5735 is a robocall?
A robocall uses automated dialling systems to place calls to many numbers simultaneously. The contributor who reported 02 3815 5735 noted they could not call the number back, which is typical of robocall infrastructure. Robocalls may deliver pre-recorded messages, connect to call centre agents, or simply disconnect after a few seconds. Do not engage with 0238155735 if you suspect robocall activity.
Should I answer if 02 3815 5735 calls?
No. If 02 3815 5735 calls from an unknown context, it is safest not to answer. The contributor who did answer heard call centre background noise and unclear speech, which are red flags. If the call does reach you and you hear automated systems or background chatter, hang up immediately without pressing any numbers or buttons.
Why can't I call back 02 3815 5735?
One contributor attempted to call back 0238155735 and the call would not go through. This is characteristic of robocall systems, which are designed to originate calls but may not accept incoming calls on the same number. This behaviour is a strong indicator of automated calling infrastructure rather than a legitimate business.
Is 02 3815 5735 spoofing a real number?
The number 0238155735 is allocated to Symbio Networks, a real provider. However, robocall operators often spoof legitimate numbers or lease lines to disguise their identity. The fact that a real provider is listed does not mean the current calls are legitimate - the number may have been compromised, sold, or reassigned.
What should I do if 02 3815 5735 calls repeatedly?
If you receive multiple calls from 0238155735, block the number immediately in your phone settings. Then report it to ACMA at acma.gov.au and to Reverseau with details of when and how many times it called. Repeated calls from the same number are evidence of ongoing robocall activity rather than accidental misdials.
How do I report 02 3815 5735 to authorities?
Report 0238155735 to ACMA (acma.gov.au/complaints) with the date and time of the call. If the robocall involved a scam, also report to Scamwatch (scamwatch.gov.au). Register your number with the Do Not Call Register at donotcall.gov.au. On Reverseau, share your experience so other Australians can recognise the number.