- Scam
One community report for 04 3455 5839 (0434555839), an Optus mobile number flagged for nuisance calling with no voicemail left.
Nuisance Call Report for 04 3455 5839
A single contributor has reported receiving a nuisance call from 04 3455 5839 (also written as 0434555839). The call came through as a missed call with no voicemail message left behind, which is a common pattern of nuisance callers testing active numbers or conducting automated outreach campaigns.
The number is allocated as an Optus mobile service, suggesting it could be either a personal device being misused or a spoofed number routing through legitimate carrier infrastructure. The lack of a message is notable - while sometimes legitimate callers forget to leave details, repeated silent or message-free calls from 0434555839 may indicate the caller is either testing whether the line is active or deliberately avoiding identification.
What to Do If You Receive a Call from 04 3455 5839
If 04 3455 5839 calls you again, take these steps:
- Do not: Return the call or engage if the caller speaks to you
- Do: Let it go to voicemail - legitimate callers will leave a message explaining their purpose
- Do: Block the number in your phone settings if calls continue
- Do: Note the date and time of each call if the pattern repeats
When to Report 04 3455 5839
If you receive repeated nuisance calls from 04 3455 5839, report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au. You can also register your number on the Do Not Call Register at donotcall.gov.au to reduce unsolicited telemarketing and nuisance calls.
Community reports like the one submitted for 0434555839 help Reverseau build a picture of problem numbers. If you receive persistent calls from 04 3455 5839 with no message, consider contributing your experience on Reverseau to alert other Australians.
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WRITE A REVIEWFrequently Asked Questions
Why would 04 3455 5839 call and leave no message?
Silent or message-free calls from 0434555839 often indicate automated dialling systems testing whether a number is active, or callers deliberately avoiding identification. Legitimate businesses almost always leave a voicemail explaining why they called. Repeated calls with no message from 04 3455 5839 warrant blocking the number.
Is 04 3455 5839 definitely a scam?
One contributor reported 0434555839 as a nuisance missed call with no voicemail. A single missed call doesn't confirm scam activity, but the pattern of calling and not leaving a message is suspicious. If 04 3455 5839 calls multiple times without ever identifying itself, treat it as nuisance calling and block it.
What should I do if 0434555839 calls multiple times?
If you receive repeated calls from 0434555839 (04 3455 5839), block the number in your phone's settings. After blocking, consider reporting it to ACMA at acma.gov.au and registering on the Do Not Call Register at donotcall.gov.au. If the behaviour continues or escalates, keep a log of call dates and times.
How do I know if a call from 04 3455 5839 is legitimate?
Legitimate callers using 0434555839 will always leave a voicemail message introducing themselves, their organisation, and reason for calling. If 04 3455 5839 calls but leaves no message and calls again, it is almost certainly not legitimate. Hang up and block the number.
Can I block 04 3455 5839 on my phone?
Yes. On most Australian phones, open your recent calls, find 0434555839 (04 3455 5839), and select 'Block' or 'Add to Blocked Contacts'. This prevents the number from ringing through to you. If calls still get through, contact your mobile provider-Optus can help filter nuisance numbers.
Should I report 0434555839 to Optus?
Yes. Since 04 3455 5839 is registered to Optus, you can contact Optus customer service to report the nuisance calling. Optus may investigate whether the number is being legitimately used or has been compromised. You should also report the number to ACMA at acma.gov.au for wider community awareness.