0428 179 570 - 0428179570: Silent Call and Suspicious Activity Reports

Silent Calls and Suspicious Behaviour from 0428 179 570

Three contributors have reported activity from 0428 179 570 (also written as 0428179570), a Telstra mobile number. The pattern includes silent calls with automatic hang-ups, suspicious voicemail routing, and repeated daily contact without legitimate purpose. One contributor's experience suggests potential robocall or automated system involvement.

The most distinctive report involves a contributor who attempted to call 0428179570 back after receiving an unknown call. Instead of reaching a person, the number cycled through a voicemail greeting, background music lasting two minutes, and then disconnected. When the contributor called back repeatedly, they encountered service difficulty messages followed by what they described as a robotic "OIM1" call ending. This unusual call routing is characteristic of either a spoofed number or automated callback scam setup.

Report Patterns from 0428 179 570

The three reports span from late November to early December 2025. One contributor noted that 0428 179 570 rings every single day before hanging up immediately, fitting the silent call pattern. Another received a call from this number but had no information about the caller's identity. The silent call tactic was explicitly flagged in one report, suggesting this may be part of a larger callback harvesting scheme or automated nuisance campaign.

No geographic data is available for calls from 0428179570, though the Telstra allocation indicates it is a legitimate mobile carrier assignment. However, mobile numbers can be easily spoofed or used fraudulently, so carrier assignment alone does not indicate legitimacy.

What to Do If You Receive a Call from 0428 179 570

If 0428179570 calls you:

• Do not: Answer or call back if you don't recognise the number, engage with any prompts, or stay on the line if the call is silent
• Do: Let unknown calls go to voicemail, block the number immediately after the first silent call, and note the time and date of each call
• Do not: Return calls to numbers you don't recognise, as callback scams rely on connecting unwilling participants to premium or overseas numbers
• Do: If repeated calls occur, document the pattern and report to your phone provider's fraud team

Understanding Silent Call Patterns from 0428 179 570

Silent or hang-up calls from mobile numbers like 0428 179 570 often serve two purposes: testing whether a number is active (used for list validation before targeting with scams), or harvesting callback responses for premium line schemes. The contributor's experience with 0428179570 showing unusual voicemail routing and robotic responses suggests the number may be part of an automated system rather than a direct scam call.

Daily silent calls from the same number are not typical consumer behaviour and warrant immediate blocking. Legitimate businesses, government agencies, and service providers identify themselves and leave voicemail messages with contact details.

How to Report 0428 179 570

If you receive calls from 0428 179 570 or 0428179570, you can report the activity to:

• ACMA (Australian Communications and Media Authority): Submit complaints at acma.gov.au - the regulator handles nuisance calls and silent call patterns
• Scamwatch: Report suspected scam activity at scamwatch.gov.au - includes callback scams and spoofed numbers
• Your phone provider (Telstra): Contact their fraud team directly to report the mobile number and request blocking assistance
• Do Not Call Register: If receiving telemarketing calls, register at donotcall.gov.au (though silent calls may not be covered)
• Reverse AU: Contribute your experience with 0428 179 570 to help other Australians identify this number