- Spam
Community reports for 04 8593 4064 (0485934064): Silent robocalls with call centre background noise, no message left. Blocking recommended.
Robocall Reports for 04 8593 4064
Two contributors have reported calls from 04 8593 4064 (also written as 0485934064) showing classic robocall characteristics. The most detailed report describes receiving automated voicemails lasting only 3 seconds with no actual message content, just background call centre noise. This pattern suggests the calls are part of an automated dialling campaign rather than genuine contact attempts.
A contributor noted that when the new Siri spam filter on their iPhone prompted the caller to state the reason for their call, the line went silent before disconnecting after 3 seconds. This behaviour is typical of robocall systems that dial numbers without human operators standing by, or systems testing whether a number is active and monitored by a real person.
What These Calls from 04 8593 4064 Indicate
The robocall nature of 0485934064 suggests this is likely part of a bulk calling campaign. The silence when prompted by the iPhone spam filter, combined with the brief 3-second voicemail duration and audible call centre background, points to an automated system cycling through phone lists rather than legitimate business contact.
One contributor received this robocall twice, indicating the system may be set to retry disconnected calls. The allocation data shows 04 8593 4064 is registered to a mobile service provider, though the service type being listed as mobile is unusual for typical robocall origination points, possibly suggesting number spoofing or VoIP masking.
Call Patterns from 04 8593 4064
The two reports for 0485934064 came on consecutive days (16-17 November 2025), with one received via voicemail and another as an answered call. The voicemail interaction with the iPhone spam filter is particularly informative - the caller's inability to respond to a simple prompt demonstrates this is an automated system, not a person screening calls.
One contributor described the experience as annoying spam, while the other took specific action by blocking the number after identifying the robocall pattern. The silent or near-silent approach used by 04 8593 4064 is a common strategy in bulk robocalling campaigns to identify working phone numbers for resale to other scammers.
What to Do If You Receive a Call from 04 8593 4064
If 04 8593 4064 calls you:
- Do not: Answer if you don't recognise the number, return any missed call, or engage with any prompt requesting confirmation that you're a real person
- Do: Let calls from 0485934064 go to voicemail, use your phone's native spam filter (like iPhone's Siri spam detection), block the number immediately after first contact, and do not respond to any voicemail left by 04 8593 4064
- Know: Robocalls that hang up when prompted are testing whether your number is active - responding or returning the call confirms your number to scammers
What to Do If You Receive an SMS from 04 8593 4064
If you receive an SMS from 0485934064:
- Do not: Click any links, reply to the message, or call the number back
- Do: Delete the message, block the number, and forward the SMS to 0429 999 888 (the official ACMA spam report number) if your phone provider allows SMS forwarding
How to Report 04 8593 4064
If you've received calls from 04 8593 4064 (0485934064), report it through these Australian channels:
- ACMA (Australian Communications and Media Authority): Report robocalls and spam at acma.gov.au or forward unwanted SMS to 0429 999 888
- Scamwatch: If the calls escalate to scam attempts, lodge a report at scamwatch.gov.au
- Do Not Call Register: Register your number at donotcall.gov.au to reduce unwanted marketing calls (though robocalls often ignore this)
- Reverseau: Share your experience with 04 8593 4064 to help other Australians identify this robocall source
Help others by sharing your experience with 0485 934 064!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
3 second voicemail with no message. Sounds like a call centre in the background. Twice it’s been sent to the new Siri spam filter on the iPhone asking them to leave the reason do their call, they say nothing and hang up after 3 seconds of recording no actual words or message. Blocking this number now.
annoying spam call
Help others by sharing your experience with 0485 934 064!
WRITE A REVIEWFrequently Asked Questions
Why does 04 8593 4064 leave empty voicemails with no message?
The robocall system behind 0485934064 is likely automated dialling software without live operators. When it detects voicemail, it records a brief, silent clip rather than disconnecting. This is a common tactic to confirm the number is active and owned by a real person, making it more valuable for resale to scammers. Contributors have reported this exact pattern - 3 seconds of silence or background noise with no actual message from a person.
What does the call centre background noise in calls from 04 8593 4064 mean?
The background noise reported with 0485934064 indicates the calls are originating from a call centre environment using automated dialling systems. This noise pattern is typical of bulk robocalling operations that dial hundreds or thousands of numbers simultaneously, with the background being other calls in the same facility. It confirms this is not legitimate business contact but rather automated spam campaign activity.
Should I answer if 04 8593 4064 calls and the system asks me to confirm I'm a person?
No. If 0485934064 or similar robocalls ask you to confirm you're human or press a button, do not respond. When a contributor's iPhone spam filter asked the caller to state their reason, the line went silent and disconnected - this proves the system cannot respond to human interaction. Responding to such prompts only confirms your number is active and monitored, which increases the likelihood of more calls.
Is 04 8593 4064 part of a known scam operation?
Based on current reports, 0485934064 appears to be part of a robocalling list-testing campaign rather than an active scam operation. The calls are designed to identify active phone numbers for resale to scammers. However, robocalls can escalate - if calls from 04 8593 4064 progress to actual messages with scam content (fake tax debts, delivery issues, etc.), report immediately to Scamwatch at scamwatch.gov.au.
Why would a robocaller use a mobile number like 04 8593 4064?
The allocation data shows 0485934064 is registered as a mobile number through a satellite provider. Robocallers often spoof or use unconventional service types to evade detection filters. A legitimate mobile number appears more trustworthy to recipients than obvious VoIP numbers, so scammers use them even when running large automated campaigns. This makes 04 8593 4064 appear as a regular phone number rather than a call centre system.
If I block 04 8593 4064, could the same caller use a different number?
Yes. Robocall operations typically use multiple numbers from the same service range or different providers. One contributor received calls from 0485934064 twice, suggesting the system retries numbers. Blocking 04 8593 4064 stops that specific number, but similar robocalls may come from different numbers. Use your phone's spam filter settings to auto-block similar number patterns, and report new robocalls to ACMA at acma.gov.au to help track these operations.