- Unknown
- Uncertain
- Scam
3 reports for 04 0154 5121 (0401545121): Callers making threats, inappropriate sexual remarks, and disturbing comments targeting minors and families.
Threatening and Inappropriate Reports for 04 0154 5121
Three contributors have reported deeply concerning behaviour from 04 0154 5121 (also written as 0401545121), an Optus mobile number. The reports describe threatening language, inappropriate sexual remarks, and disturbing comments about children. This is not a typical scam or telemarketing situation - these are calls of a harassing and threatening nature that pose a direct safety risk to recipients and their families.
One contributor reported receiving a call from 0401545121 where the caller specifically asked for a 15-year-old daughter and refused to identify himself. Another recipient was targeted with inappropriate sexual comments when they answered a call from 04 0154 5121. A third contributor described receiving a call with disgusting comments about children and violence.
Caller Behaviour from 04 0154 5121
The pattern across reports of 0401545121 suggests deliberate targeting rather than random contact. In one case, the caller knew or claimed to know a minor in the household, raising questions about how the number obtained this information. When challenged or when recipients did not match the name being sought, the caller on 04 0154 5121 escalated to making inappropriate and threatening remarks.
Contributors who received calls from 04 0154 5121 describe the caller using aggressive and disturbing language. The sexual nature of some comments and threats involving violence indicate this is not accidental misdirected contact, but intentional harassing behaviour.
Report Timeline and Context
Community reports about 0401545121 span from December 2024 through November 2025. The first documented threatening call came in December, followed by further incidents in January and November. The spacing of reports suggests either repeated calls from the same individual or a pattern of similar behaviour from whoever controls this Optus mobile number.
What to Do If You Receive a Call from 04 0154 5121
If 0401545121 calls you, prioritise your safety and your family's safety above all else:
- Do not engage: Hang up immediately. Do not respond to questions, do not try to find out who is calling, do not argue or debate with the caller
- Do not share information: Never confirm names, ages, or details about anyone in your household, even if the caller claims to know them
- Do document everything: Note the date, time, and exact content of what was said. This information is critical for authorities
- Do report immediately: Contact police (000 if you feel threatened) and file a formal complaint with the ACMA
- Do block the number: Most phone providers allow you to block specific numbers. Ask Optus customer service to block 04 0154 5121 on your account
- Do inform your family: Warn household members, especially minors, not to answer calls from 0401545121 and to report any contact immediately
How to Report 04 0154 5121
Threatening calls warrant immediate action through official channels:
- Contact police: Call 000 if you feel threatened. Lodge a formal complaint including the phone number 0401545121, dates, times, and exact wording used. This creates an official record
- Report to ACMA: File a complaint with the Australian Communications and Media Authority at acma.gov.au. Include all details about calls from 04 0154 5121, including the content of threats or inappropriate remarks
- Report to Optus: Contact Optus customer service to report the threatening calls from 0401545121 and request they investigate and potentially suspend the account
- Report on Reverseau: Add your experience to the community record at Reverseau to help others identify this number
Safety Resources for Threatening Calls
If you or a family member has been targeted by threatening or inappropriate calls from 04 0154 5121, support is available. eSafety Commissioner (esafety.gov.au) provides guidance on online and telecommunications-based harassment. If the caller has made threats involving violence, your safety is the priority - contact police immediately.
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WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Guy called asking for my 15-year-old daughter, wouldn't say who he was
Asked if I was Allison, when I said no they made inappropriate sexual remarks
Inappropriate call with disgusting comments about children and violence
Got a call from this number, some guy trying to sell MMA or something like that, was not interested, then he became aggressive, said he has my details, not sure why he was calling me in Canada and he was saying he was in Australia, this number is a scam, reported to our local police dept here in Ontario, they have a great cyber crime squad, report this number if you get calls as well to your local police dept, don't believe this guy is in Australia, pretty sure Australians are nice people, this guy was A grade asshole.
Help others by sharing your experience with 0401 545 121!
WRITE A REVIEWFrequently Asked Questions
Why is someone calling 04 0154 5121 asking for my child by name?
One contributor reported a caller from 0401545121 who specifically asked for their 15-year-old daughter and refused to identify himself. This suggests the caller obtained personal information about your household from somewhere - possibly a data breach, social media, or other source. This is not safe contact. Do not provide any information and report it to police and ACMA immediately.
Is 0401545121 a scam or sales call?
No. Unlike typical scams or telemarketing, the reports for 04 0154 5121 describe threatening language, inappropriate sexual remarks, and disturbing comments. This appears to be deliberate harassment rather than automated or commercial contact. These calls pose a direct safety threat.
What should I do if I recognise the voice on 04 0154 5121?
If you recognise who is calling from 0401545121, contact police immediately with their name and any identifying information. Do not confront the caller yourself. Police need to investigate threatening calls, especially those involving inappropriate comments about minors or violence.
Can Optus shut down the 04 0154 5121 number?
Yes. Once you report threatening calls from 0401545121 to Optus with documented evidence (dates, times, content), Optus can investigate and potentially suspend or terminate the account. You should also report the number to ACMA and police so there is an official record beyond just Optus's internal investigation.
Should I block 0401545121 or keep answering to see who it is?
Block the number immediately using your phone provider's blocking service. You should not continue answering calls from 04 0154 5121. Keep a record of any calls you have already received (dates and times) for your report to police, but do not engage with future calls from this number.
Are other people reporting calls from 04 0154 5121?
Yes, three contributors have reported concerning calls from 0401545121 since December 2024. The reports describe similar patterns of threatening and inappropriate language. If you receive a call from 04 0154 5121, please report it on Reverseau and to authorities so the pattern is documented and other families can be warned.