- Uncertain
One contributor reported a silent call from 04 8175 5152 (0481755152). The caller hung up without leaving a message. Registered to Optus Mobile.
Silent Call Report for 04 8175 5152
A single contributor has reported receiving a call from 04 8175 5152 (also written as 0481755152) that ended abruptly with no message left. The caller hung up immediately after the contributor answered, which is characteristic of silent or abandoned call patterns.
This Optus Mobile number (0481755152) has been flagged once so far, though isolated reports can still indicate testing of active phone numbers or callback scam preparation.
Silent Calls and Callback Risks
When 04 8175 5152 calls and hangs up without speaking, several things may be happening. The caller could be testing whether the number is active, gathering intelligence for a later impersonation or scam attempt, or running an automated dialling campaign that disconnects when it detects a person rather than voicemail.
The risk with returning a call to 04 8175 5152 is that you may be connecting to a premium-rate service, international number, or scam line designed to trigger billing charges or capture your voice consent for fraudulent purposes. Silent calls followed by callback attempts are a known scam tactic.
What to Do If You Receive a Call from 04 8175 5152
If 04 8175 5152 calls you:
- Do not: Return the call, answer if it calls again repeatedly, or provide any information if someone does speak
- Do: Let it go to voicemail, block the number if calls continue, and mark it as spam in your phone settings
- Do: Be cautious if the same number appears again after a gap in time - this may indicate a callback scam setup
How to Report 04 8175 5152
If you experience repeated silent calls from 04 8175 5152 or suspect malicious intent:
- Report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au
- Lodge a complaint with Scamwatch at scamwatch.gov.au if you believe it's part of a scam campaign
- Register your number with the Do Not Call Register at donotcall.gov.au to reduce unwanted marketing calls
- Block 0481755152 in your phone's call settings and mark as spam
- Contribute your experience on Reverseau to help other Australians identify this number
Staying Safe from Silent Call Scams
Silent calls are often the first stage of a broader scam operation. Scammers use them to identify active phone numbers, build contact lists, or set up callback traps. Never return calls to unknown numbers that hang up, especially mobile numbers like 04 8175 5152. If a caller has a legitimate reason to reach you, they will leave a voicemail or try again with a message.
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Called, they hung up without leaving a message
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WRITE A REVIEWFrequently Asked Questions
Why would someone call from 04 8175 5152 and hang up without speaking?
Silent calls from 04 8175 5152 (0481755152) are typically part of automated dialling campaigns testing whether the number is active, or preparation for a callback scam. The caller may disconnect when detecting a live person and try again later, or they may be gathering data on working phone numbers to sell to other scammers.
What happens if I return a call to 0481755152?
Returning a call to 0481755152 could connect you to a premium-rate service, international scam operation, or voice consent recording used for fraudulent purposes. Do not return calls from unknown numbers that hang up. If it's legitimate, the caller will leave a message.
Is 04 8175 5152 definitely a scam if it only called once?
One silent call from 04 8175 5152 could be accidental, but it's also consistent with testing behaviour. If 04 8175 5152 calls repeatedly and hangs up, it's more likely part of a scam campaign. Block the number and monitor for further contact.
Should I block 0481755152 on my phone?
Yes. If 0481755152 has called you and hung up without speaking, blocking it prevents callback traps and repeated interruptions. Use your phone's built-in block feature or your telco's spam filter to automatically reject future calls from this Optus Mobile number.
What should I do if 04 8175 5152 keeps calling?
If 04 8175 5152 calls repeatedly, do not answer or return the call. Block the number immediately, report it to ACMA at acma.gov.au, and file a complaint with Scamwatch at scamwatch.gov.au. Report the pattern on Reverseau so other contributors can see the behaviour.
Can I report this call to anyone other than Reverseau?
Yes. For repeated unwanted calls from 04 8175 5152, report to ACMA (acma.gov.au) and Scamwatch (scamwatch.gov.au). If you believe it's part of a telemarketing campaign, also register with the Do Not Call Register at donotcall.gov.au. Sharing your experience on Reverseau also helps the community.