- Scam
One contributor reports 02 7813 7755 (0278137755) as a spoofed number with no voicemail left. NSW local service flagged as suspicious.
Spoofed Number Report for 02 7813 7755
A single contributor has flagged 02 7813 7755 (also written as 0278137755) as a spoofed number. The report indicates the caller allowed the phone to ring out without leaving a voicemail message, a common pattern associated with number spoofing activity.
The number is allocated as a local NSW service through NetSIP Pty Ltd. The lack of voicemail and deliberate ringout pattern suggests this may be a spoofed caller masking their true identity behind a legitimate-looking Sydney number format.
What Spoofing Means for 02 7813 7755
When a number like 0278137755 is spoofed, the caller is using technology to display a fake caller ID on your phone. This allows them to impersonate a local Sydney number while calling from anywhere. The contributor's experience of receiving a call from 02 7813 7755 with no message is typical spoofing behaviour - callers test whether a number is active and monitored before attempting contact again or moving to the next target.
Spoofed calls are frequently used as entry points for scam operations, robocalling campaigns, or to verify active phone numbers for sale on the dark web. The fact that the call from 0278137755 went unanswered and no voicemail was left suggests the caller may have simply been validating the number for future contact.
Report Details and Timing
The report for 02 7813 7755 was submitted on 19 December 2025 at 11:24 AM, indicating a mid-morning call attempt. The contributor let the call ring to voicemail rather than engaging, which is the safest response to unknown callers displaying suspicious patterns.
What to Do If You Receive a Call from 02 7813 7755
If 0278137755 or any unknown number calls you:
- Do not: Answer calls from unknown numbers, return missed calls to unfamiliar numbers, or engage if the caller seems uncertain or fishing for information
- Do: Let unknown calls go to voicemail, check if a legitimate message is left, block the number if it calls repeatedly, and verify the caller's identity through official channels before responding
- Spoofing indicator: If a number claims to be from a well-known organisation (bank, government agency, utility provider) but you didn't initiate contact, verify independently by calling the organisation's publicly listed phone number
How to Report 02 7813 7755
If you receive suspicious calls from 02 7813 7755 or believe your number has been spoofed:
- Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au - they investigate telecommunications complaints and spoofing incidents
- Lodge a report with Scamwatch at scamwatch.gov.au if the call involved scam tactics or fraudulent claims
- Report the number on Reverseau to build community awareness and help other Australians identify this caller
- If the spoofed number is impersonating a specific organisation, report to that organisation directly and to ReportCyber at cyber.gov.au for fraud/impersonation involving technology
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Spoofed number, let it ring out, no message
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WRITE A REVIEWFrequently Asked Questions
What does it mean if 02 7813 7755 is a spoofed number?
A spoofed number means the caller used technology to display 0278137755 (or another number) as their caller ID while actually calling from a different location or device. This lets scammers or spammers appear to be calling from a local Sydney number to increase answer rates. The actual source of the call from 02 7813 7755 could be anywhere in the world.
Should I call back a missed call from 0278137755?
No. Calling back 02 7813 7755 after a missed call is risky, especially if no voicemail was left. Spoofing scammers often test numbers by calling without messages, then wait for victims to return the call. Never return calls to unfamiliar numbers - if it's legitimate, they'll leave a voicemail or contact you through verified channels.
Why did the caller from 02 7813 7755 not leave a message?
The lack of voicemail from 0278137755 is a red flag for spoofing activity. Legitimate callers leave messages. Spoofing campaigns often use ringout tactics to verify active phone numbers for their databases, which they then sell or use for future scam attempts. No message means no legitimate reason to call.
Can I block 02 7813 7755 permanently?
Yes. Most modern smartphones allow you to block specific numbers. After blocking 0278137755, any calls from that number will go straight to voicemail. However, spoofed callers may use different displayed numbers on subsequent calls, so be cautious of similar unknown numbers. Use your phone's built-in blocking feature or a third-party app like Truecaller.
Is the provider NetSIP Pty Ltd responsible for the spoofed call from 02 7813 7755?
NetSIP Pty Ltd is the service provider for this local NSW number range, but they are not necessarily responsible for the spoofing itself. The spoofed caller obtained technology to display 02 7813 7755 (or a similar number) as their caller ID. You can report the spoofing activity to ACMA at acma.gov.au, which investigates provider-level spoofing abuse.
What should I do if I recognise 0278137755 as impersonating a real organisation?
If 02 7813 7755 claims to be from your bank, the ATO, NBN, or another organisation, hang up immediately. Contact that organisation directly using the phone number on their official website or your statement (not a number provided by the caller). Report the impersonation to Scamwatch at scamwatch.gov.au and to the impersonated organisation's fraud team.