03 8804 5896 - 0388045896: Robocall and Silent Call Reports

• Scam
• Suspicious
• Spam

14 community reports for 03 8804 5896 (0388045896) describe robocalls, silent calls, and disconnected callback attempts from a Melbourne Optus number.

Robocall and Silent Call Reports for 03 8804 5896

Community reports for 03 8804 5896 (also written as 0388045896) indicate a pattern of automated and silent calls from a Melbourne-based Optus local service number. Fourteen contributors have flagged this number, with the most consistent pattern being silent calls and robocalls that hang up or leave no message. Multiple reports describe either complete silence on the line or robotic voicemail messages about surveys.

The number is allocated to Optus Networks Pty Limited in Victoria, registered as a local service. However, several contributors who attempted to call 0388045896 back received messages indicating the line was disconnected or no longer in service, suggesting the number may have been spoofed or the account terminated after the calls were made.

What Callers from 03 8804 5896 Do

When contributors answered calls from 03 8804 5896, the experience was consistently either silence or automated messaging. One contributor received a robotic voicemail claiming to be about a living expense survey, which they immediately blocked. Another answered to find only silence on the other end, with no response when they spoke.

Silent calls from 0388045896 occurred on multiple dates across the reporting period. One contributor who received a silent call noted their concern that the line may have been collecting voices for potential AI-based scams. Callers did not leave voicemail messages in most cases, and when contributors tried calling back the number, they received automated disconnect messages.

Call Patterns and Timing

Reports for 03 8804 5896 span from May 2024 to October 2025, with no clear clustering pattern. Calls arrived via different channels: some were answered immediately (resulting in silence or robocall messages), others were missed calls with no voicemail, and one came through as a voicemail recording. Several contributors reported multiple calls from this number over weeks or months.

The behaviour of attempting to hang up or disconnect when the line was answered, combined with no voicemail or callback capability, suggests automated calling infrastructure rather than a live operator. One contributor noted they received a call back within an hour of the initial contact, indicating either automated retry logic or manual follow-up.

What to Do If You Receive a Call from 03 8804 5896

If 03 8804 5896 calls you:

• Do not: Answer if you don't recognise the number, return the call if it's from an unknown source, or engage with any automated prompts
• Do: Let the call go to voicemail, block the number immediately in your phone settings, and report the number to ACMA if calls persist
• If you answer and hear silence: Hang up immediately, do not speak or respond, and block the number
• If you hear a robotic message: Do not press any keys, do not provide information, and hang up straight away
• Do not attempt to call back: As multiple contributors found, callback attempts may result in disconnect messages, wasting time and potentially incurring call costs

How to Report 03 8804 5896

If you receive unwanted calls from 03 8804 5896 (0388045896), report the number to the following Australian authorities:

• ACMA (Australian Communications and Media Authority): Report the call at acma.gov.au. ACMA investigates breaches of the Do Not Call Register and robocall activity.
• Scamwatch: If you believe the call is part of a scam attempt, report details at scamwatch.gov.au.
• Do Not Call Register: Register your number at donotcall.gov.au to reduce telemarketing and robocall contact.
• Block on your phone: Most modern phones allow you to block specific numbers in settings. Block 03 8804 5896 to prevent future calls from reaching you.
• Report to Reverseau: Add your own report of calls from 0388045896 to help other Australians identify unwanted numbers. Community contributions improve safety intelligence for everyone.

Frequently Asked Questions