- Suspicious
One contributor reported a nuisance call from 04 2164 1035 (0421641035) with no voicemail left. Optus mobile number flagged.
Nuisance Call Reported for 04 2164 1035
A single contributor has flagged 04 2164 1035 (also written as 0421641035) as a nuisance call. The report indicates the number called but left no voicemail message, a common pattern with automated or unsolicited dialling systems that may target multiple numbers in sequence.
The call came from an Optus mobile number (0421641035), which differs from typical business lines or known telemarketing campaigns that usually operate from fixed landlines or toll-free numbers.
What to Do If You Receive a Call from 04 2164 1035
If 04 2164 1035 calls you and leaves no message:
- Do: Let the call go to voicemail if you don't recognise the number
- Do: Block the number in your phone settings if calls from 0421641035 persist
- Do: Check your phone bill or carrier account for any unauthorised charges
- Do not: Return the call if you don't recognise the caller
- Do not: Share personal or financial information with unknown callers
What to Do If You Receive Multiple Calls from 04 2164 1035
If 0421641035 calls repeatedly without leaving messages, the number may be part of an automated dialling campaign. Consider these steps:
- Register your number with the Do Not Call Register at donotcall.gov.au
- Report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au
- Use your phone's native blocking feature to permanently block 04 2164 1035
- Contact your Optus account to report the nuisance calls
How to Report 04 2164 1035
Help protect other Australians by reporting this number:
- Report to Reverseau directly - community contributions help identify patterns across multiple callers
- File a report with the ACMA (Australian Communications and Media Authority) at acma.gov.au for telemarketing or nuisance call breaches
- Register with the Do Not Call Register at donotcall.gov.au to opt out of telemarketing calls
- Contact your Optus account directly to report nuisance activity from a mobile number
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Called but didn't leave a message
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WRITE A REVIEWFrequently Asked Questions
Why did 04 2164 1035 call but not leave a message?
The contributor who reported 0421641035 received a call with no voicemail. This often indicates either a misdial, an automated system testing numbers for validity, or a campaign that disconnects if voicemail answers. Single calls without messages are usually harmless but worth noting if the pattern repeats from 04 2164 1035.
Is 0421641035 a legitimate Optus number?
04 2164 1035 is an Optus mobile number format, but mobile numbers can be spoofed or used by unauthorised callers. A single no-message call isn't definitive evidence of a scam, but if 0421641035 continues calling without leaving voicemail, blocking the number is reasonable.
Should I be concerned about one call from 04 2164 1035?
One unanswered call with no message is generally low risk. However, if you receive repeated calls from 0421641035 going forward, or if similar numbers contact you frequently, registration with the Do Not Call Register at donotcall.gov.au may help.
How do I block 04 2164 1035 on my phone?
Most Australian phones allow you to block numbers directly. In your contacts or recent calls, find 0421641035, select block or spam options, and confirm. On iPhone, use the block function in the Phone app; on Android, use the Call Blocking feature. You can also contact your Optus account to request carrier-level blocking.
What does it mean if an Optus number calls without leaving a message?
An Optus mobile like 04 2164 1035 calling without a voicemail may indicate a misdial, an automated screening system, or a broadcast call that disconnects before voicemail records. One report of this from 0421641035 is insufficient to draw firm conclusions, but blocking is always an option if uncomfortable.
Where can I report nuisance calls from 0421641035?
Report 04 2164 1035 to the ACMA (acma.gov.au) for nuisance or unsolicited calls, or contact Optus directly about the mobile number 0421641035. Register with the Do Not Call Register (donotcall.gov.au) to reduce future unwanted calls. You can also contribute your experience to Reverseau to help other Australians identify patterns.