- Suspicious
One community report for 02 8359 9743 (0283599743): missed call with no voicemail. Uncertain caller intent. Check who called with Reverseau.
Unknown Caller from 02 8359 9743
A single contributor has reported receiving a call from 02 8359 9743 (also written as 0283599743) that went unanswered. The caller did not leave a voicemail message, leaving the contributor uncertain about the reason for the call. The number is registered to Symbio Networks Pty Ltd, a local service provider in NSW, though this does not guarantee the call originated from the legitimate business.
When a call from 02 8359 9743 arrives without a voicemail, it raises legitimate questions about caller intent. Legitimate callers typically leave a message explaining their reason for calling, especially if the matter is time-sensitive or important.
What to Do If You Receive a Call from 02 8359 9743
If 02 8359 9743 calls you:
- Do: Let unknown calls go to voicemail and listen for a message before returning the call
- Do: Block the number if calls repeat without voicemail
- Do: Verify the caller's identity through official channels before sharing any information
- Don't: Return a missed call to an unknown number without independent verification
- Don't: Share personal or financial details with callers you cannot verify
When the Call Occurred
The call to this contributor was logged on 22 November 2025. Since there is only a single report so far, patterns regarding frequency or timing cannot yet be established. If you receive multiple calls from 02 8359 9743 or similar patterns emerge, reporting your experience helps the community identify whether this number is involved in targeted calling campaigns.
How to Report 02 8359 9743
If you receive unwanted or suspicious calls from 02 8359 9743, you can report your experience through several channels:
- Reverseau: Share your report here to help other Australians identify unknown numbers
- ACMA (Australian Communications and Media Authority): Report unwanted calls at acma.gov.au
- Scamwatch: If you suspect a scam, report details at scamwatch.gov.au
- Do Not Call Register: Register your number at donotcall.gov.au to opt out of telemarketing calls
Help others by sharing your experience with (02) 8359 9743!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Unknown number and caller didn’t leave a message, so probably scammers.
Help others by sharing your experience with (02) 8359 9743!
WRITE A REVIEWFrequently Asked Questions
Should I call back a missed call from 02 8359 9743?
Not immediately. If 02 8359 9743 was important, the caller would have left a voicemail. Returning an unanswered call to an unknown number can confirm your number is active, potentially inviting more unwanted calls. Instead, search for the number independently (like on Reverseau) to verify legitimacy before responding.
Is 02 8359 9743 a scam number?
Based on current community reports, there is one report of a missed call from 02 8359 9743 with no voicemail. This is insufficient data to label it definitively as a scam. However, the absence of a message is a yellow flag. If you receive further contact from 0283599743 with suspicious behaviour, report it to help establish a pattern.
Who owns 02 8359 9743?
The number 02 8359 9743 is registered to Symbio Networks Pty Ltd, a local service provider in NSW. However, phone numbers can be spoofed or misused by scammers, so registration to a legitimate business does not guarantee the call came from that company. If you believe someone is impersonating Symbio Networks, report it to ACMA at acma.gov.au.
What should I do if 02 8359 9743 keeps calling?
If 0283599743 calls repeatedly without leaving messages, block the number on your phone. You can also register with the Do Not Call Register at donotcall.gov.au to reduce telemarketing calls. Report the pattern to ACMA and Reverseau so others are aware of the behaviour.
Is it safe to leave a voicemail callback if 02 8359 9743 calls again?
No. Do not return calls or leave messages for unknown numbers, especially if they don't initially leave a message. Responding confirms your number is active and monitored, which can escalate unwanted contact. Let suspicious calls go to voicemail first.
How can I find out why 02 8359 9743 called me?
Search the number on Reverseau to see if other contributors have reported similar calls and can explain the pattern. If you know someone at Symbio Networks, you could contact them directly to verify. For telemarketing verification, check the Do Not Call Register at donotcall.gov.au. Avoid calling 0283599743 back without first identifying the caller through independent means.