- Suspicious
One community report for 02 7904 8920 (0279048920): missed call from unlisted Optus number in NSW. Unknown caller, no voicemail left.
Suspicious Call Report for 02 7904 8920
A single contributor has reported receiving a missed call from 02 7904 8920 (also written as 0279048920). The caller left no voicemail and the number does not appear in standard directory listings. The contributor searched for information about this number before deciding to ignore further contact attempts.
The number is allocated to Optus Networks and operates as a local service within NSW. The lack of voicemail and unlisted status suggests this may be an automated call or a number deliberately kept out of public directories.
What to Do If You Receive a Call from 02 7904 8920
If 0279048920 calls you:
- Do: Let missed calls go to voicemail - legitimate callers will leave a message
- Do: Block the number if it calls repeatedly
- Do: Verify the caller's identity through official channels if they claim to represent a company or organisation
- Do not: Return the call immediately, as some numbers use callback scams
- Do not: Share personal information with unknown callers
Report Patterns
This report came through as a missed call on 20 August 2026. The contributor noted that 02 7904 8920 did not leave a voicemail message, which is common with automated dialling systems or numbers used for call filtering rather than genuine communication.
How to Report 02 7904 8920
If you believe this number is part of a scam, spam campaign, or unwanted contact:
- Report the number to the Australian Communications and Media Authority (ACMA) at acma.gov.au
- Register the number with the Do Not Call Register at donotcall.gov.au if you receive telemarketing calls
- Report the incident on Reverseau to help other Australians identify the caller
- If you suspect fraud or cyber activity, report to ReportCyber at cyber.gov.au
Help others by sharing your experience with (02) 7904 8920!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Called me.
Missed.
Searched for.
Unknown.
Unlisted.
Ignore.
Help others by sharing your experience with (02) 7904 8920!
WRITE A REVIEWFrequently Asked Questions
Should I call back 02 7904 8920 if I missed the call?
It is not recommended to call back 0279048920 immediately. If the caller needed to reach you, they would have left a voicemail message. Some scammers use numbers like 02 7904 8920 specifically to prompt callbacks. If you believe it is a legitimate caller, search for the organisation's official contact number and call them directly instead.
Why didn't 02 7904 8920 leave a voicemail?
The fact that 0279048920 did not leave a voicemail is significant. Legitimate businesses and services always leave a message if the call is important. Automated systems, robocalls, or numbers used to filter calls often do not leave messages. This is one reason the contributor who received the call from 02 7904 8920 chose to ignore it.
Is 0279048920 a real Optus number?
Yes, 02 7904 8920 is allocated to Optus Networks as a local service in NSW. However, this does not guarantee the caller represents Optus. Scammers sometimes spoof or use legitimate company prefixes. If you suspect Optus is calling, hang up and dial Optus directly using the number on your bill or their official website rather than returning a call to 0279048920.
Why is 02 7904 8920 unlisted?
Many businesses and organisations keep their phone numbers unlisted in public directories for privacy or operational reasons. However, unlisted numbers combined with missed calls and no voicemail (as in the case of 0279048920) can indicate unwanted automated calling. If you don't recognise the number, it is safer to ignore calls from 02 7904 8920.
What should I do if 0279048920 calls me multiple times?
If 02 7904 8920 calls you repeatedly, you should block the number on your phone. You can also report it to the Do Not Call Register at donotcall.gov.au if it appears to be telemarketing, or to ACMA at acma.gov.au if you suspect it is part of a scam. Adding 0279048920 to a blocked list will prevent further calls.
Can I find out who called from 02 7904 8920?
The contributor who received a missed call from 02 7904 8920 searched for information and found the number to be unknown and unlisted. Reverseau provides community reports about phone numbers like 0279048920 to help you identify callers. If you receive a call from this number and can provide more information, you can contribute your own report to help other Australians.