- Suspicious
One contributor reports repeated calls from 03 7004 0053 (0370040053) that disconnect without leaving a message. Victoria-based Optus local number.
Silent Call Reports for 03 7004 0053
A contributor has reported receiving repeated calls from 03 7004 0053 (also written as 0370040053) that connect briefly then disconnect without any message or voicemail left behind. The pattern suggests the caller deliberately hangs up rather than engaging with the recipient. This Victoria-based local number is allocated to Optus Networks and has generated at least one report of this behaviour.
What Happens When Calls Come from 03 7004 0053
The contributor noted that 0370040053 keeps calling but leaves them hanging - no voicemail, no explanation, just a connection that drops. This type of calling pattern is often associated with either automated systems testing connectivity, or deliberate callback scams where the caller hopes you will return the missed call. When you call back an unknown number, you may be charged for premium-rate services or connected to a malicious actor.
Call Patterns for This Number
With one report on file, the available data is limited to the single contributor's experience. However, the persistent nature of the calls from 03 7004 0053 - described as repeated attempts - suggests this may be systematic dialling rather than a one-off misdial. The contributor received the calls as missed calls rather than picking up, which gave them the opportunity to notice the pattern.
What to Do If 03 7004 0053 Calls You
If you receive calls from 03 7004 0053 that hang up or leave no message:
- Do not: Call the number back, even if you recognise it as a missed call. Returning unknown calls can connect you to premium services or enable callback scams.
- Do: Let calls go to voicemail. A legitimate caller will leave a message explaining why they called.
- Do: Block the number in your phone if calls continue. Most smartphone operating systems allow you to block specific numbers and automatically send them to voicemail.
- Do: Report repeated calls to the ACMA if they become a nuisance.
How to Report 03 7004 0053
If you receive persistent unwanted calls from 03 7004 0053, you can report your experience to help other Australians stay informed:
- Report to ACMA (Australian Communications and Media Authority) at acma.gov.au for unsolicited or nuisance calls
- Contribute your experience to Reverseau so other community members can see the calling pattern
- If the calls are threatening or harassing, report to local police via the non-emergency line (131 444 in Victoria)
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Keeps calling but leaves me hanging
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WRITE A REVIEWFrequently Asked Questions
Why does 03 7004 0053 keep calling and hanging up?
One contributor reports that 0370040053 repeatedly calls then disconnects. This pattern can indicate either automated dialling systems checking if numbers are active, or deliberate callback scam tactics where the caller wants you to return the missed call. Do not call back - legitimate callers will leave a voicemail message.
Should I answer when 03 7004 0053 calls?
If you don't recognise 0370040053, let it go to voicemail. The contributor's experience shows this number hangs up without explanation. If a legitimate caller needs to reach you, they will leave a message with their name and reason for calling.
What happens if I call back 03 7004 0053?
Calling back unknown numbers like 0370040053 can result in connection to premium-rate services that charge your phone bill, or connect you to scammers. The fact that 03 7004 0053 calls and disconnects suggests returning the call is exactly what they want. Block the number instead.
Is 03 7004 0053 a real Optus number?
03 7004 0053 (0370040053) is allocated as a local service number to Optus Networks in Victoria. However, phone numbers can be spoofed (faked to appear as something they're not). Just because it's registered to a legitimate provider doesn't mean the caller is genuinely representing Optus.
How can I block 03 7004 0053?
On iPhone, open the recent call from 0370040053, tap the info icon, and select 'Block this Caller.' On Android, open your Phone app, find 03 7004 0053 in your call history, tap and hold the number, then select 'Block.' You can also enable 'Call Screen' features in your phone settings to send unknown numbers to voicemail automatically.
Should I report 03 7004 0053 to anyone?
Yes. If 0370040053 calls you repeatedly, report it to ACMA at acma.gov.au. You can also report your experience on Reverseau to warn other Australians. If the calls become threatening or harassing, contact local police on 131 444 (Victoria).