- Spam
- Scam
- Suspicious
03 8547 9535 (0385479535) flagged for silent calls, missed rings, and cost-of-living surveys. Optus-allocated Victorian number with 11 community reports.
Silent Calls and Survey Reports for 03 8547 9535
Community reports for 03 8547 9535 (also written as 0385479535) reveal a pattern of silent calls, brief ring sequences, and unsolicited survey contact. This Optus Networks-allocated local number in Victoria has generated 11 reports over the past two years, with contributors describing calls that hang up immediately upon connection, rings that stop after one or two attempts, and robotic survey requests about cost of living in Australia.
The most distinctive behaviour involves silent calls where 0385479535 connects but no one responds. Two separate contributors reported answering calls from 03 8547 9535 only to encounter complete silence, with one noting an awkward 10-second pause before disconnection. This silent call pattern, combined with the number's allocation to a major telecommunications provider, suggests either a malfunction in an automated system or intentional testing of active numbers for subsequent targeting.
What Callers from 03 8547 9535 Do
When 03 8547 9535 does attempt contact, the behaviour falls into two categories: silent calls and survey requests. The survey calls, which occurred in 2024 and 2025, featured recorded messages asking recipients to participate in cost-of-living surveys. One contributor answered a robocall from 0385479535 that played a pre-recorded survey request; another received a similar call where a person attempted to conduct the survey before being hung up on.
The more common pattern involves 03 8547 9535 ringing only once or twice before the line goes dead. Multiple contributors reported this specific behaviour, with one noting it had happened several times within a 24-hour period. A contributor from late 2025 blocked 0385479535 on the first ring after experiencing multiple instances of this two-to-three ring pattern.
Call Patterns and Timing
Reports of calls from 03 8547 9535 span from June 2024 to April 2026, indicating persistent activity over nearly two years. The pattern is inconsistent, with some contributors experiencing multiple calls within a short timeframe and others receiving isolated attempts. One contributor reported the ring-and-disconnect pattern happening several times in a single day before blocking the number.
The silent call incidents occurred in April and May 2025. The survey-related calls were reported in August 2024 and April 2025. Missed calls with no voicemail left represent the largest share of reports, suggesting the caller (or automated system) is not attempting genuine connection or follow-up.
What to Do If You Receive a Call from 03 8547 9535
If 03 8547 9535 calls you:
- Do not: Engage with silent callers, provide personal information, or return the call if no message was left
- Do: Let the call go to voicemail, block the number immediately if it rings and hangs up repeatedly, or if you answer and hear silence, hang up
- Be aware: Silent calls can be used to confirm your number is active, potentially marking you for future scam attempts - blocking is the safest response
If you answer 0385479535 and encounter silence or a survey request you did not sign up for, hanging up and blocking is the recommended action. Do not call the number back or provide any information.
Reporting 03 8547 9535
If you receive repeated calls from this number, you can report your experience to help other Australians identify unknown callers. Report to the following Australian resources:
- ACMA (Australian Communications and Media Authority): acma.gov.au - file complaints about nuisance calls and robocalls
- Do Not Call Register: donotcall.gov.au - register your number if you wish to opt out of telemarketing surveys
- Reverseau: Contribute your own report about 03 8547 9535 to help the community
- Your phone provider: Contact Optus directly if you believe this number is being misused on their network
Since 0385479535 is allocated to Optus Networks, reporting the pattern of silent calls and survey contact to Optus customer support may prompt investigation on their end.
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WRITE A REVIEWRatings Distribution
What Our Users Reviewed
My phone flagged it as suspected spam, soon as I picked up they hung up
My phone rings 2 or 3 times then stops. This has happened a few times yesterday. Started again today, so blocked number on the very first ring.
I removed voicemail because of scammers.
Missed call with no message, linked to Optus Networks, might be surveys, can't tell if legit
Block, scam caller.
Rings twice then nothing, totally obnoxious
Answered but remained silent, caller also didn't respond, awkward silence for 10 seconds
Called about survey on cost of living in Australia, quite annoying
Recorded message asking me to do survey about cost of living in Australia, hung up right away
Called but no voicemail or message left
Unknown number so not answered. No voicemail left. Now blocked.
Auto-silence calls not in contacts, no voicemail so I blocked
Heavy indian accent guy asking about shower heads. Either sales or scam.
This number called me 4 times today but when I called back, it couldn't connect.
Scam. Called 6 times in 2 hours claiming to be from the Victorian government.
Four calls in two days, silent when I answered, keeps calling. Blocked
Help others by sharing your experience with (03) 8547 9535!
WRITE A REVIEWFrequently Asked Questions
Why does 03 8547 9535 ring only once or twice then stop?
Multiple contributors reported this exact behaviour from 0385479535, suggesting either an automated dialling system testing numbers or a malfunction in a legitimate business system. When calls disconnect after one or two rings without leaving a voicemail, it typically indicates the caller is not seeking genuine contact but rather confirming your number is active. Blocking 03 8547 9535 after the first ring is a safe response.
What should I do if I answer 03 8547 9535 and hear silence?
Hang up immediately and block the number. Two contributors reported answering 0385479535 to encounter complete silence, with no response from the other end. Silent calls can be used by scammers or spam operators to verify your number is monitored by a real person. Do not stay on the line or speak into the silence; simply disconnect and add 03 8547 9535 to your blocked list.
Is 03 8547 9535 a legitimate Optus survey call?
The number is allocated to Optus Networks, but contributors report the survey requests were unsolicited and arrived via robocall. If you signed up for a specific Optus survey, you would typically receive advance notice and a proper verification process. The robocall pattern and lack of proper identification from 0385479535 suggest this is either an unauthorised use of Optus' network or a third-party survey operator using their systems. Contact Optus directly to verify if they initiated contact.
Why am I receiving repeated calls from 03 8547 9535?
One contributor experienced multiple calls from 0385479535 within a 24-hour period, with the ring-and-disconnect pattern repeating several times. This behaviour suggests an automated dialling system that cycles through numbers on a list. Each time your number is called and connects, it may be added to a priority list for future attempts. Blocking 03 8547 9535 after the first or second call is the most effective way to stop the pattern.
Should I call 03 8547 9535 back if it's from Optus?
No. Do not call 0385479535 back. If this were a legitimate Optus contact, they would leave a voicemail with clear instructions, your account number, or a callback number. The pattern of silent calls and missed rings without follow-up messages from 03 8547 9535 indicates this is not standard Optus customer service. Return calls to unknown numbers can confirm your availability to automated systems and potentially expose you to further contact attempts.
Can I report 03 8547 9535 to Optus directly?
Yes. Since 0385479535 is allocated to Optus Networks, you can contact Optus customer support and report the repeated calls and silent call pattern. Provide them with the dates and times you received calls from 03 8547 9535. While the number may be legitimately allocated to their network, it could be misused by a third party or indicate a system malfunction on their infrastructure. Optus may be able to investigate the source and take action to prevent further misuse of this number.