- Scam
02 8311 9519 (0283119519): Contributors report repeated robocalls with hang-ups when declined, plus similar numbers calling multiple times.
Robocall Reports for 02 8311 9519
Two contributors have reported activity from 02 8311 9519 (also written as 0283119519), a NSW-based local service number allocated to Symbio Networks. The most recent report describes aggressive repeated calling behaviour characteristic of robocall systems, while an earlier contributor noted a pattern of similar numbers contacting them with slight variations in the last two digits.
The primary concern flagged about 0283119519 is the robocall hang-up pattern: one contributor received five calls within a single hour, with the caller disconnecting immediately after the recipient said no. This type of behaviour suggests automated dialling systems testing for active numbers or response patterns.
What Callers from 02 8311 9519 Do
The contributor who answered calls from 02 8311 9519 reported that the caller would hang up as soon as they declined or refused the call. The rapid succession of five calls within 60 minutes suggests the system was designed to persist despite rejection. No message was left on any attempt.
A separate contributor flagged a broader pattern affecting them: they have received calls from multiple numbers with similar prefixes, each differing only in the last two digits. This contributor has already blocked the repeated callers, indicating a systematic attempt to reach them across multiple number variations.
Report Patterns and Activity
The two reports about 02 8311 9519 show different timelines and detection methods. One report came from today with immediate action (answering and refusing), while the second report from April 2024 involved a missed call that prompted the contributor to block after recognising a pattern of similar numbers contacting them repeatedly.
The robocall nature of 0283119519 is confirmed by the automated hang-up response rather than any human interaction. Contributors who recognise the number-variation pattern may be experiencing targeted robocall campaigns where systems test multiple similar numbers to bypass block lists.
What to Do If You Receive a Call from 02 8311 9519
If 02 8311 9519 calls you:
- Do not: Answer if you don't recognise the number, return the call, or engage with any prompts
- Do: Let it go to voicemail, block the number immediately, and watch for similar numbers with the last two digits changed
- Report it: If the pattern continues with slight number variations, screenshot or note the different numbers you receive
How to Report 02 8311 9519
Robocalls and hang-up patterns should be reported to Australian Communications and Media Authority (ACMA) at acma.gov.au, which maintains records of problematic numbers and robocall campaigns.
You can also report the number to Scamwatch (scamwatch.gov.au) if you believe it is part of a larger scam operation, or register your number with the Do Not Call Register (donotcall.gov.au) to reduce telemarketing and unwanted call activity.
If you receive similar numbers with variations in the last two digits, report each instance to help ACMA identify automated dialling patterns. Contributing your report to Reverseau also helps other Australians recognise the behaviour associated with 0283119519 and similar robocall systems.
Help others by sharing your experience with (02) 8311 9519!
WRITE A REVIEWRatings Distribution
What Our Users Reviewed
Keeps calling and hanging up when I say no, five times in an hour
Unrecognized number, no message left. fourth time receiving calls from similar numbers with different last two digits. blocked it
Help others by sharing your experience with (02) 8311 9519!
WRITE A REVIEWFrequently Asked Questions
Why does 02 8311 9519 hang up when I say no?
The hang-up behaviour reported with 0283119519 is typical of robocall systems that disconnect after detecting a response. These automated systems are designed to identify active numbers and gauge how people respond, rather than connect you to a live person. Hanging up prevents you from asking questions or reporting the call in real time.
I received calls from numbers similar to 02 8311 9519 with different last digits. Is it the same caller?
Contributors have reported receiving calls from multiple numbers with similar prefixes to 0283119519, differing only in the last two digits. This pattern suggests a single robocall campaign using number variations to evade block lists and increase the chance of reaching targets. If you block 02 8311 9519, monitor incoming calls for similar numbers and block those as well.
Should I answer calls from 02 8311 9519 to find out who it is?
No. Answering calls from 0283119519 confirms your number is active, which can increase the frequency of future calls from this robocall system and similar variations. The contributor who answered 02 8311 9519 received five calls within one hour, suggesting the system escalates after detecting an answer.
Is 02 8311 9519 a scam or just a nuisance call?
Reports about 0283119519 classify it as a nuisance robocall rather than a confirmed scam attempt. However, robocall systems can be used by scammers to identify active numbers before pitching schemes. The hang-up behaviour and rapid-fire calling pattern from 02 8311 9519 are hallmarks of aggressive robocall campaigns.
How do I block 02 8311 9519 and similar numbers?
Most Australian phones allow you to block individual numbers in your settings. For 0283119519, add it to your blocked list. To catch variations like 02 8311 9520, 02 8311 9521, etc., check if your phone's settings allow wildcard blocking (some devices let you block all numbers starting with a specific prefix). Alternatively, use your service provider's call-filtering features.
Who operates the number 02 8311 9519?
02 8311 9519 is allocated as a local service number in NSW to Symbio Networks Pty Ltd. However, the number allocation does not indicate current use or operator responsibility for the robocall activity. The actual caller may be using this number for unauthorised purposes. Report the activity to ACMA (acma.gov.au) to flag the number for investigation.