- Suspicious
- Uncertain
- Spam
03 8306 5170 (0383065170): 2 reports of repeated silent calls to Victorian numbers with no message left. Contributors suspect spam or marketing.
Silent Call Reports for 03 8306 5170
Two contributors have reported repeated calls from 03 8306 5170 (also written as 0383065170) with a consistent pattern: the calls connect to Victorian numbers but no voicemail is left. The Optus Networks service is registered in Victoria, and both reports indicate the caller makes no attempt to communicate beyond the initial ring.
Contributors describe the behaviour as persistent, with 03 8306 5170 calling multiple times without leaving a message. One reporter has already tagged the number as suspected spam in their phone system and now ignores all incoming calls from 0383065170.
What the Call Patterns Suggest
The lack of voicemail is the defining characteristic of calls from 03 8306 5170. Both contributors note this specific behaviour - the number rings but the caller hangs up or the line disconnects without any recorded message. This pattern is common to both marketing operations that automatically dial numbers to test validity and callback scams that verify whether a number is actively monitored.
One contributor specifically mentioned the calls could be "marketing or something worse," reflecting uncertainty about the intent behind 0383065170. The repeated nature of the calls from 03 8306 5170 suggests an automated or systematic approach rather than a one-off misdial.
Report Frequency and Contributor Observations
Both reports about 03 8306 5170 came from the same state (Victoria) and describe the same behaviour: missed calls with no voicemail left. The contributors have taken action by flagging 0383065170 as suspected spam in their phone systems, which reduces the likelihood of accidental answer.
The repeated nature of calls from 03 8306 5170 prompted one contributor to share their experience, noting that ignoring the number entirely has become their strategy. This suggests the calls continue over multiple days or weeks rather than stopping after initial contact.
What to Do If You Receive a Call from 03 8306 5170
If 03 8306 5170 calls you:
- Do not: Answer unknown numbers, return the call, or press any keys in response to voice prompts
- Do: Let calls go to voicemail, block the number after multiple attempts, and mark 0383065170 as spam in your phone settings
- Specific to this number: The lack of voicemail suggests the caller is not trying to communicate - blocking 03 8306 5170 is safe and recommended
How to Report 03 8306 5170
If you receive unwanted calls from 03 8306 5170 or 0383065170, you can report your experience:
- Report to the Australian Communications and Media Authority (ACMA) at acma.gov.au
- Check if the number is registered on the Do Not Call Register at donotcall.gov.au - if it continues calling after registration, report the breach to ACMA
- Add your own report to Reverseau to help other Australians identify this number
- If you suspect the calls may be callback scam related, also report via ReportCyber at cyber.gov.au
Help others by sharing your experience with (03) 8306 5170!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Had same phone number call 3 times in 10 days. No voicemail left. I ignore the calls.
Been trying for days, don't answer cos I don't know anyone from that state
Similar experience to earlier comment, I've previously tagged it as suspected spam on the phone as they don't leave a message, so I ignore it.
Keeps calling Victoria number with no message left, could be marketing or something worse
Help others by sharing your experience with (03) 8306 5170!
WRITE A REVIEWFrequently Asked Questions
Should I answer calls from 03 8306 5170?
No. Both contributors who reported 03 8306 5170 (0383065170) recommend letting it go to voicemail. Since the caller never leaves a message, there is no benefit to answering. If the calls from 0383065170 persist, block the number in your phone settings.
Why does 03 8306 5170 keep calling but never leave a message?
Silent calls from 03 8306 5170 are typically either marketing operations verifying active numbers for their databases, or callback scams testing whether 0383065170 reaches a real person. In either case, the caller has no intention of speaking to you. Blocking 03 8306 5170 is the safest response.
Is 0383065170 a scam number?
It's unclear from the current reports. Contributors describe 0383065170 as suspicious or spam, noting it could be "marketing or something worse." The silent call pattern and lack of voicemail fit both marketing behaviour and callback scam tactics. To be safe, treat 03 8306 5170 as spam and block it.
How do I block 03 8306 5170 on my phone?
On most Australian phones: go to your Recent Calls or Call History, find 03 8306 5170, select the number 0383065170, and choose "Block" or "Add to Spam." For iPhones, you can also ask Siri to block the number. Once blocked, calls from 03 8306 5170 will go directly to voicemail without ringing.
Can I report 03 8306 5170 to the Do Not Call Register?
Yes. Register your number at donotcall.gov.au if you haven't already. It's free. If 03 8306 5170 continues calling after 30 days, report the breach to ACMA at acma.gov.au. Keep records of when 0383065170 called you to include with your complaint.
What information should I provide when reporting 0383065170?
When reporting 03 8306 5170, include the phone number (0383065170), the date and time of the calls, how many times it has called, whether a message was left, and what happened during the call (in this case, a missed call with no voicemail). This helps authorities track patterns across multiple reports.