- Scam
Community report for 0423 396 584 (0423396584): One contributor has flagged this Optus mobile number as a scam.
Scam Reports for 0423 396 584
One contributor has reported 0423 396 584 (also written as 0423396584) as a scam number. The report was submitted in November 2025 with a warning that this Optus mobile number should be treated with caution.
While limited information is available about the specific nature of the scam attempt, the community alert indicates this number warrants investigation before engaging with any caller claiming to represent it.
About This Number
0423 396 584 is registered to Optus Mobile Pty Limited, one of Australia's major mobile network operators. The fact that a scammer may be using an Optus number is not unusual-mobile numbers can be spoofed or compromised, so the legitimate registration of 0423396584 does not guarantee the calls are genuine.
What to Do If You Receive a Call from 0423 396 584
If 0423 396 584 contacts you:
- Do not: Answer if you don't recognise the caller, provide personal information, return the call, or engage with requests for payment or financial details
- Do: Let it go to voicemail, block the number if it calls repeatedly, and independently verify any claims by contacting the organisation directly using a number from their official website
- Do not engage: With urgent demands, requests to act quickly, or threats of legal action or service disconnection
What to Do If You Receive an SMS from 0423 396 584
If you receive an SMS from 0423396584:
- Do not: Click any links, reply to the message, or provide any information requested
- Do: Delete the message, block the number, and forward the SMS to 0429 999 888 (ACMA's SMS reporting service) if it contains scam content
- Report it: Take a screenshot and report it through Reverseau or to the relevant authority
How to Report 0423 396 584
If you've experienced a scam call or SMS from 0423 396 584 (0423396584), report it through these official Australian channels:
- Scamwatch: Report to scamwatch.gov.au (run by the ACCC)
- ACMA: Lodge a complaint about the number with the Australian Communications and Media Authority at acma.gov.au
- Reverseau: Report your experience on Reverseau to help other Australians identify this number
- ReportCyber: If financial loss or data breach occurred, report to cyber.gov.au
Community contributions help build a more accurate picture of which numbers are being used for scams. Your report matters.
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WRITE A REVIEWFrequently Asked Questions
Is 0423 396 584 a genuine Optus number?
0423 396 584 is registered to Optus Mobile Pty Limited, but one community contributor has flagged it as a scam. Scammers often use legitimate-looking mobile numbers or spoof real numbers to appear trustworthy. Always verify independently by contacting the organisation directly using an official number, never using contact details provided in the call.
What should I do if 0423396584 has already called me?
If 0423 396 584 has called you, block the number in your phone to prevent future calls. Do not return the call. If you engaged with the caller or provided any information, consider changing your passwords and monitoring your accounts for suspicious activity. Report the call to Reverseau and to Scamwatch at scamwatch.gov.au.
Why would a scammer use an Optus number like 0423396584?
Scammers use legitimate-looking numbers to build trust and increase the likelihood you'll answer. An Optus mobile number appears more credible than an obvious spoofed or suspicious number. This is why you should never assume a number is legitimate based on its format-always independently verify any urgent claims.
Should I answer calls from 0423 396 584?
No. If 0423 396 584 calls you and you don't recognise the number, let it go to voicemail. If the call is genuinely important, the caller can leave a detailed message. A legitimate organisation will identify themselves clearly and provide a way to verify their identity through official channels.
How do I report this scam to authorities?
Report 0423 396 584 (0423396584) through Scamwatch at scamwatch.gov.au, which is run by the Australian Competition and Consumer Commission (ACCC). You can also lodge a formal complaint with the Australian Communications and Media Authority (ACMA) at acma.gov.au. If money was lost, report to cyber.gov.au as well.
Can I block 0423396584 on my Optus phone?
Yes. Most modern phones allow you to block numbers directly. On iPhone, open the recent call from 0423 396 584, tap the 'i' icon, and select 'Block this Caller'. On Android, open the call log, long-press the number, and tap 'Block number'. Alternatively, contact Optus support to ask if they can block the number at the network level, though this may have limitations.