- Uncertain
One report about 03 8821 6710 (0388216710). Contributor received repeated calls with no voicemail left. Optus mobile number in Victoria.
Unknown Caller Reports for 03 8821 6710
A contributor has reported receiving calls from 03 8821 6710 (also written as 0388216710) without being able to identify who is calling. The caller does not leave voicemail messages, making it impossible for the recipient to determine the purpose of the contact or who the caller represents.
This Optus mobile number in Victoria has been flagged as an unknown contact. The persistent nature of the calls, combined with the lack of any voicemail or identifying information, suggests the caller may be using an automated system or deliberately avoiding message-leaving protocols.
Caller Behaviour with 03 8821 6710
According to the report about 0388216710, the caller has rung multiple times. Each call ends without a message being left, which is a common tactic used by organisations that either do not expect to reach the recipient directly or are testing whether a number is active.
The contributor's comment that they have "been rung by this mob before" indicates a pattern of repeated contact from 03 8821 6710, rather than an isolated call.
What to Do If You Receive a Call from 03 8821 6710
If 03 8821 6710 calls you and you do not recognise the number:
- Do: Let the call go to voicemail and listen for a message that identifies the caller
- Do: Search the number (03 8821 6710 or 0388216710) online to identify the caller before returning any call
- Do: Block the number if calls become repetitive and no legitimate purpose is established
- Do not: Return a call to an unknown number unless you have confirmed the caller's identity through independent means
- Do not: Provide personal or financial information to callers who cannot clearly identify themselves
If the caller leaves a message, you can verify the organisation they claim to represent by calling their official customer service line (found on their website or your account statement).
How to Report 03 8821 6710
If you receive unwanted calls from 03 8821 6710, you can report the number through Australian government channels:
- ACMA (Australian Communications and Media Authority): Report unwanted calls at acma.gov.au
- Do Not Call Register: Register your number at donotcall.gov.au to opt out of telemarketing calls
- Reverseau: Share your experience with 0388216710 to help other Australians identify unknown callers
Help others by sharing your experience with (03) 8821 6710!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Been rung by this mob before, no clue who they are cause they never leave a message
Help others by sharing your experience with (03) 8821 6710!
WRITE A REVIEWFrequently Asked Questions
Why is 03 8821 6710 calling me if they never leave a message?
The contributor who reported 03 8821 6710 notes the caller has rung multiple times without leaving voicemail. This pattern suggests either an automated system testing active numbers, a caller using outbound dialling without message protocols, or a service trying to reach a specific person without leaving details. Without a message, it's impossible to determine the caller's identity from 0388216710 alone.
Should I answer or return calls to 03 8821 6710?
If you do not recognise 03 8821 6710, it is safer to let calls go to voicemail. If the caller does not leave a message (as reported), do not return the call. If you suspect the call might be from a legitimate service, search for their official contact number and call them directly rather than using the number that called you.
Is 0388216710 a scam or spam number?
The single report about 0388216710 cannot confirm whether the number is used for scams, spam, or legitimate business calls. The contributor only states they do not know who is calling and no message is left. It could be a wrong number, an automated system, or a legitimate organisation with poor customer contact practices. Check your own call history for context.
How many people have reported 03 8821 6710?
One contributor has reported calls from 03 8821 6710 (0388216710) to Reverseau. They describe receiving repeated calls with no voicemail left. More community reports help identify whether this is an isolated issue or a wider pattern.
Can I block 03 8821 6710 on my phone?
Yes. Most mobile phones allow you to block individual numbers. On iPhone, open the recent call from 03 8821 6710, tap the info button, and select "Block this Caller". On Android, long-press the call from 0388216710 and select "Block number". If calls persist after blocking, contact your provider (Optus in this case) or report to ACMA.
What should I do if I recognise 03 8821 6710 as a legitimate business?
If you identify the caller as a legitimate business or contact, you can add 03 8821 6710 to your contacts to stop marking it as unknown. However, if you never requested contact from 0388216710 and they continue calling without leaving messages, ask them to confirm how they obtained your number and whether you can be removed from their call list.