0431 605 106 - 0431605106: Nuisance and Spam Reports

• Spam

Community reports for 0431 605 106 (0431605106) describe prank calls and confusing voicemails. Two contributors flagged this Optus mobile number as nuisance activity.

Nuisance and Spam Activity from 0431 605 106

Two contributors have reported calls from 0431 605 106 (also written as 0431605106), describing the activity as either prank calls or children making random outbound calls. This Optus mobile number has generated both voicemail and answered call reports over recent days.

Unlike typical scam or telemarketing patterns, the reports about 0431605106 suggest juvenile behaviour rather than coordinated fraudulent activity. One contributor received a confusing voicemail, while another answered to find someone making prank calls.

What Callers from 0431 605 106 Are Doing

The voicemail left from 0431 605 106 consisted of repeated attempts to reach someone, with the caller saying "Mum" multiple times as if trying to reach a parent. The message was unclear enough that the recipient suspected either a new scam technique or children making nuisance calls.

A second report about 0431605106 confirmed that when answered, the caller appeared to be making prank calls to random numbers with no apparent purpose or message. Contributors described this as kids mucking around rather than malicious behaviour.

Report Patterns

Both reports were received within a 24-hour window during late August 2026. One call came through as voicemail, while the other was answered directly. The sporadic nature and lack of repeated contact from 0431 605 106 suggests this may not be systematic harassment, though the voicemail content was unusual enough to warrant a nuisance flag.

What to Do If You Receive a Call from 0431 605 106

If 0431 605 106 continues to contact you:

• Do: Let the call go to voicemail, block the number if calls repeat, or ignore if it appears to be prank activity
• Do not: Engage with the caller, return the call, or provide any personal information
• Consider: If the calls persist or escalate, report to your mobile provider or ACMA

How to Report 0431 605 106

If you receive repeated nuisance or prank calls from this number:

• Report to ACMA (Australian Communications and Media Authority) at acma.gov.au if calls are persistent or harassing
• Contact your provider Optus directly to request the number be blocked or investigated
• Register the number with the Do Not Call Register at donotcall.gov.au if commercial calls continue
• Share your experience on Reverseau to help other community members identify the caller

Frequently Asked Questions