- Suspicious
One report about 03 9703 9900 (0397039900): 7 calls received in one day with no voicemail left. Possible robocall or callback scam.
Multiple Calls from 03 9703 9900 with No Voicemail
A contributor reported receiving 7 calls in a single day from 03 9703 9900 (also written as 0397039900), with no voicemail message left on any occasion. The number is registered as a Telstra local service in Victoria. The pattern of repeated calls without voice contact is typical of automated calling systems, callback scams, or abandoned outbound dialling campaigns.
What This Call Pattern Suggests
When callers from 0397039900 do not leave a voicemail despite multiple attempts, it often indicates one of several behaviours: the caller is testing whether the number is active, the system is automated and only attempts connection, or the call is part of a callback scam designed to trick you into returning the call and incurring charges or divulging information.
Seven calls in one day from 03 9703 9900 represents aggressive contact behaviour. Most legitimate organisations leave voicemail messages to explain the purpose of their call. The absence of any message is a red flag.
What to Do If You Receive Calls from 03 9703 9900
If 03 9703 9900 calls you:
- Do not: Answer the call, return the call, or call back to see who it is
- Do: Let it go to voicemail, block the number immediately, and monitor for further contact
- Do not: Assume the call is important just because it was repeated - persistent calling without voicemail is a common scam tactic
- Do: Check your bank and online accounts for unauthorised activity if you are concerned about the caller's identity
How to Report 03 9703 9900
If you receive repeated calls from 03 9703 9900 or similar numbers with no voicemail:
- Report the number to ACMA (Australian Communications and Media Authority) at acma.gov.au
- Register your number with the Do Not Call Register if you have not already done so at donotcall.gov.au
- Report the calls to Scamwatch at scamwatch.gov.au if you suspect malicious intent
- Block the number in your phone's settings to prevent future calls
- Contribute your experience to Reverseau to help other Australians identify this number
Callback Scam Risk
Numbers like 03 9703 9900 are sometimes used in callback scams where the goal is to trick you into calling back a premium-rate or international number. Do not return calls to numbers that call you repeatedly without leaving a message. If you are unsure whether a legitimate organisation tried to contact you, use the contact details from their official website or bill to reach them directly.
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WRITE A REVIEWFrequently Asked Questions
Why would someone call 7 times in one day from 03 9703 9900 without leaving a voicemail?
Repeated calls without voicemail typically indicate an automated system, callback scam attempt, or number verification for potential targets. Legitimate organisations almost always leave a message explaining why they called. The pattern from 0397039900 suggests the caller's intent was not to communicate a message but to get a response or test if your number was active.
Should I call back 03 9703 9900 to find out who is calling?
No. Calling back 0397039900 is exactly what many callback scams hope you will do. If a caller from 03 9703 9900 does not leave a voicemail explaining who they are, do not return the call. Instead, block the number and wait for them to leave a message if their call was genuinely important.
Is 03 9703 9900 a real Telstra number?
The number 03 9703 9900 (0397039900) is allocated to Telstra as a local service in Victoria, but allocation does not confirm legitimacy. Scammers can spoof or fraudulently use legitimate carrier allocations. Never assume a call is safe based on the carrier allocation alone.
What should I do if 03 9703 9900 calls me again?
Block 0397039900 immediately in your phone's settings. Most smartphones allow you to block numbers and send them directly to voicemail. If the calls persist after blocking or if you receive calls from similar numbers, report the pattern to ACMA at acma.gov.au.
Could 03 9703 9900 be a legitimate business trying to reach me?
Unlikely. Legitimate businesses leave voicemail messages explaining the purpose of their call and how to contact them back. The pattern from 03 9703 9900 (7 calls with no voicemail) does not match standard business practice. If you are expecting a call from a specific organisation, contact them directly using details from their official website or your account documents.
How do I report 03 9703 9900 to the authorities?
Report 0397039900 to ACMA (acma.gov.au) for unwanted calls, to Scamwatch (scamwatch.gov.au) if you believe it is a scam, and register your number with the Do Not Call Register (donotcall.gov.au) to reduce future unwanted calls. You can also report your experience on Reverseau to help other Australians recognise this number.