03 9039 2723 - 0390392723: Silent Call and Nuisance Reports

• Suspicious

03 9039 2723 (0390392723): 3 reports of silent calls with dead air and background noise, plus repeated calling patterns flagged as suspicious.

Silent Call Reports for 03 9039 2723

Three contributors have reported nuisance activity from 03 9039 2723 (also written as 0390392723), a local service number allocated to Optus Networks in Victoria. The dominant pattern involves silent calls where contributors answer only to encounter dead air or unexplained background noise before the caller disconnects. Two of the three reports specifically mention this silent call behaviour, with one noting the calls keep recurring.

One contributor described the experience as seeming "dodgy" and flagged the repeated calling pattern as suspicious. The combination of repeated calls coupled with silence when answered suggests either automated call testing or deliberate harassment designed to evade detection through conversation.

What Callers from 03 9039 2723 Do When You Answer

When contributors picked up calls from 03 9039 2723, they encountered silence rather than a voice on the other end. One report described "dead air" followed by some random background noise and then disconnection. Another contributor noted this pattern repeating across multiple calls, with the caller never speaking or identifying themselves.

This silent call tactic is typically associated with either automated systems testing call completion rates or deliberate nuisance calling designed to remain anonymous. The lack of any introduction or greeting makes it impossible for contributors to determine the caller's purpose or identity.

Call Patterns and Frequency

Multiple contributors who received calls from 03 9039 2723 report repeated contact rather than isolated calls. One report specifically states the number "keeps calling," suggesting a pattern of persistence. The reports span several months, with the most recent activity in November 2025 and earlier reports dating back to August 2024.

The silent call behaviour reported for 0390392723 is consistent across contributors, indicating this is not a one-off miscall but a deliberate pattern associated with this number.

What to Do If You Receive a Call from 03 9039 2723

If 03 9039 2723 calls you:

• Do not: Stay on the line waiting for someone to speak, or feel obligated to keep the call connected
• Do: Hang up immediately when you reach silence or unexplained background noise
• Do: Block 0390392723 after the first silent call to prevent repeated contact
• Do: Note the time and date of any calls you receive for your records
• Do: Enable "Silence Detection" or "Filter Unknown Callers" on your phone if your device supports this feature

Since this number has shown a pattern of repeated calling, blocking is an effective way to stop further contact attempts.

How to Report 03 9039 2723

If you receive repeated silent calls or nuisance contact from this number, you can report your experience to Australian authorities and community services:

• Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au - they investigate nuisance calls and silent call patterns
• Report to the Do Not Call Register at donotcall.gov.au if the calls are from a telemarketing organisation (though silent calls are often harder to action)
• Lodge a report on Reverseau to add your experience to the community database for 03 9039 2723 - this helps other Australians identify the same number
• If the calls persist and feel threatening, contact your local police or use ReportCyber at cyber.gov.au

Community reports are crucial for building a clear picture of nuisance numbers. Your report about 0390392723 helps others recognise the pattern and take protective action.

Frequently Asked Questions