03 9003 4336 - 0390034336: Silent Call Reports

• Spam
• Suspicious

Community reports for 03 9003 4336 (0390034336) describe silent calls that disconnect immediately when answered, suggesting number-checking activity.

Silent Call Reports for 03 9003 4336

Two contributors have reported receiving calls from 03 9003 4336 (also written as 0390034336) that disconnect immediately upon answering. Both instances involved the caller hanging up without speaking, a pattern commonly associated with automated number verification scams or robocall campaigns testing active phone numbers.

The behaviour reported on 0390034336 is consistent with what's known as silent call activity, where scammers or spam operators use automated systems to detect whether a number is actively being used. Once a number is confirmed as active, it may be added to target lists for future scam attempts or sold to other bad actors.

What Callers from 03 9003 4336 Are Doing

Both reports about 03 9003 4336 describe identical behaviour: immediate disconnection upon answer with no communication attempt. One contributor specifically noted the suspicion that the call from 0390034336 was checking whether the number was in active use, rather than attempting a genuine contact.

This pattern differs from legitimate telemarketing or service calls, where operators typically deliver a prepared message or greeting. The instant hang-up from 03 9003 4336 suggests an automated system rather than a person dialling.

Report Timing and Frequency

The two reports of calls from 03 9003 4336 occurred within a 24-hour period (1 March and 2 March 2026), suggesting potential repeated attempts or a campaign targeting multiple numbers. Contributors indicated these were live answer calls rather than voicemail, meaning the automated system detected a live person picking up.

What to Do If You Receive a Call from 03 9003 4336

If 03 9003 4336 calls you:

• Do: Let unknown calls go to voicemail - this prevents confirmation that your number is active
• Do: Block 0390034336 if the calls repeat, using your phone's built-in blocking feature
• Do: Report the number to the ACMA (Australian Communications and Media Authority) if you receive multiple silent calls
• Do not: Call the number back - this confirms your number is active and monitored
• Do not: Assume a single silent call is harmless - repeated patterns suggest systematic number-checking activity

How to Report 03 9003 4336

If you receive silent calls from 03 9003 4336, report them to relevant Australian authorities:

• ACMA (Australian Communications and Media Authority): acma.gov.au - handles reports of nuisance calls and silent call campaigns
• Scamwatch: scamwatch.gov.au - if you suspect the silent calls are part of a broader scam operation
• Do Not Call Register: donotcall.gov.au - register your number to reduce telemarketing calls (though this may not stop automated systems)
• Reverseau: Report your experience with 03 9003 4336 (0390034336) on this site to help other Australians identify the caller's intent and pattern

Frequently Asked Questions