03 9003 1690 - 0390031690: Silent Call Reports

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Community report for 03 9003 1690 (0390031690): One contributor received a silent call with no one on the other end.

Silent Call Reports for 03 9003 1690

One contributor has reported receiving a call from 03 9003 1690 (also written as 0390031690) where no one was on the other end. The caller remained silent when the contributor answered, then disconnected. This type of call pattern is often used as a callback verification tactic, where scammers dial numbers to confirm they are active and monitored by real people.

Silent calls from numbers like 0390031690 can be part of larger automated dialling campaigns. By confirming your number is active, scammers may add it to targeted lists for follow-up contact attempts, including potential impersonation scams, fake debt collection, or investment fraud schemes.

What to Do If You Receive a Call from 03 9003 1690

If 03 9003 1690 calls you:

• Do not: Return the call, as this confirms your number is monitored and may trigger more contact attempts
• Do: Let it ring out or send to voicemail, then block the number immediately
• Do: Avoid answering unknown numbers, especially if the caller ID shows no name or company details
• Do: Be alert for follow-up contact from 0390031690 or similar numbers in subsequent days or weeks
• Do: Report repeated silent calls as they may precede more targeted scam attempts

Why Scammers Use Silent Calls

Silent calls serve as a verification step in scam operations. When you answer a call from 03 9003 1690 and hear nothing, the scammer's system has confirmed your number is active and answered by a person. This makes your number valuable for future scam attempts. The silence is intentional-it's a callback test to build a list of confirmed, monitored numbers for later exploitation.

Silent calls can also be used to test whether your phone is monitored by law enforcement or consumer protection agencies, or to determine if your number belongs to a landline or mobile device. Either way, your response to the call from 0390031690 has given scammers useful information about your account.

How to Report 03 9003 1690

If you receive repeated silent calls from 03 9003 1690, report them to:

• ACMA (Australian Communications and Media Authority): Report the number via their website at acma.gov.au. ACMA tracks patterns of silent and nuisance calls across Australia.
• Scamwatch: If the silent calls are followed by scam contact attempts, report the pattern at scamwatch.gov.au
• Do Not Call Register: Register your number at donotcall.gov.au to reduce telemarketing contact, though this does not stop scammers
• Your phone provider: Contact your carrier directly to report the number and request blocking assistance
• Reverseau: Contribute your own report about 03 9003 1690 to help other Australians identify this number's behaviour

Protecting Yourself from Silent Call Campaigns

Silent calls often precede more targeted attacks. After receiving a call from 0390031690, remain alert for:

• Follow-up calls from the same number or similar-looking numbers
• Calls claiming urgent action is needed (ATO debt, NBN disconnection, parcel delivery issues)
• SMS messages with links or requests for personal information
• Voicemails left by supposed government agencies or banks

If you receive a silent call from 03 9003 1690 followed by contact from another number, report both numbers together. This helps Reverseau contributors and authorities identify coordinated scam campaigns.

Frequently Asked Questions