0403 713 096 - 0403713096: Suspicious Calls with Personal Information Knowledge

• Suspicious
• Uncertain
• Legit

0403 713 096 (0403713096): 4 reports of suspicious calls with no voicemail. One caller knew recipient's full name before identifying themselves.

Suspicious Call Reports for 0403 713 096

Four contributors have reported suspicious activity from 0403 713 096 (also written as 0403713096), an Optus mobile number. The pattern centres on repeated unwanted calls with no voicemail messages left. Most notably, one contributor received a call where the caller already knew their full first name, suggesting the caller had accessed personal information beforehand.

Reports about 0403713096 indicate a coordinated effort, with contributors noting that related numbers starting with 040371 are also calling repeatedly. The caller in one instance hung up immediately when asked to identify themselves, which is a common evasion tactic used in phishing and data harvesting schemes.

What Callers from 0403 713 096 Behaviour Indicates

The single answered call from 0403 713 096 revealed telling behaviour. The caller spoke with a polished, formal tone but refused to identify themselves when directly questioned. This combination - friendly demeanour paired with immediate hang-up when challenged - is characteristic of social engineering attempts where callers are testing whether they have reached a valid number or gathering information.

The fact that the caller on 0403713096 already knew the recipient's full first name before introduction is significant. This suggests either a data breach, purchased contact list, or previous interaction records. Contributors blocking 0403 713 096 have reported the pattern continuing with similar numbers in the same prefix range, indicating systematic calling campaigns.

Call Patterns and Timing

Reports of 0403713096 span from early November 2025 through April 2026, showing a seven-month pattern of ongoing activity. Multiple contributors have received calls at different times of day without any voicemail being left, consistent with automated contact verification or lead list testing.

Contributors consistently report receiving calls from 0403 713 096 and related numbers in the 040371 range multiple times, with blocking actions taken but additional calls continuing. One report notes the calls stopped responding to blocking, suggesting caller ID spoofing or sequential number use to bypass blocked numbers.

What to Do If You Receive a Call from 0403 713 096

If 0403713096 calls you:

• Do not: Confirm your name, address, date of birth, or any personal details even if the caller claims to know them already
• Do not: Return the call or engage in conversation about your identity or financial situation
• Do: Let the call go to voicemail - legitimate callers will always leave a message
• Do: Hang up immediately if the caller refuses to identify themselves or their organisation
• Do: Block 0403 713 096 and report the number through your phone's native blocking feature
• Do: If the caller claims to be from a specific organisation, independently verify by calling that organisation's official number (never use a number provided by the caller)

How to Report 0403 713 096

Reporting suspicious calls helps protect other Australians and builds community awareness on Reverseau. You can report this activity through multiple official Australian channels:

• ACMA (Australian Communications and Media Authority): Report the number and your experience at acma.gov.au - ACMA investigates telecommunications harassment and can take enforcement action
• Scamwatch: If you believe this is part of a scam attempt, report details at scamwatch.gov.au, which collects intelligence on emerging scam patterns
• Reverseau: Report your experience with 0403 713 096 or 0403713096 directly on Reverseau to help other contributors identify patterns and protect themselves
• Your phone provider (Optus): Contact Optus directly to report the suspicious activity from your own mobile account

When reporting, include the date and time of the call, whether you answered or it went to voicemail, and any details the caller mentioned. If you have call logs showing the repeated pattern from 0403 713 096 and related numbers, include those timeframes.

Frequently Asked Questions