Is 02 8311 4603 a spam or scam number?

EndSpam has 7 community reports for 02 8311 4603, currently categorised as mixed reports with a high risk level (80/100).

How do I block 02 8311 4603?

On iPhone, open the Phone app, tap the information icon next to the number in Recents, then tap "Block this Caller". On Android, press and hold the number in Recents and choose "Block / report spam".

How is the risk level calculated?

EndSpam combines how many independent people reported the number, how recently it was reported, and what they reported it as into a 0–100 risk score, then maps that to a Low, Medium, or High risk level.

When was 02 8311 4603 last reported?

The most recent community report for 02 8311 4603 was on 2026-08-26; it was first reported on 2026-07-08. In total 7 independent people have reported it.

What network is 02 8311 4603 on?

02 8311 4603 is allocated to SYMBIO NETWORKS PTY LTD in the Sydney numbering area. Allocation shows which carrier issued the number, not who is calling — scammers frequently use numbers from mainstream carriers or spoof them.

02 8311 4603

02 8311 4603 has 7 community reports from 7 independent reporters on EndSpam, categorised as Mixed reports with a high risk rating (80/100). It is an Australian number on SYMBIO NETWORKS PTY LTD, Sydney. The most recent report was on 2026-08-26, and it was first reported on 2026-07-08.

7 independent reporters have reported this number. Reports within the last 30 days. Reports describe more than one type of activity.

Category: Mixed reports · Risk level: High (80/100)

7 community reports from 7 independent reporters.

First seen: 2026-07-08 · Last reported: 2026-08-26 · AU · SYMBIO NETWORKS PTY LTD · Sydney

Also written as

0283114603
02 8311 4603
+61 2 8311 4603
+61283114603
61283114603

What people reported it as

Spam — 3 reports
Wrong number — 2 reports
Other — 2 reports

Recent community reports

Repeated calls with no clear reason.
Spam · 26 Aug 2026
Caller hung up after asking if they were speaking to the business owner.
Wrong number · 20 Aug 2026
Spammer calling repeatedly.
Spam · 30 July 2026
No message left, unrecognized number.
Wrong number · 16 July 2026
Hello and hung up.
Other · 9 July 2026
Greeting and hanging up quickly.
Other · 8 July 2026
Repeated calls at lunchtime.
Spam · 8 July 2026

Safety advice

Don't call back unknown missed calls, and never share one-time passcodes or banking logins with an unsolicited caller. Report scams to Scamwatch. Steps to block 02 8311 4603 are in the FAQ below.

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Frequently asked questions

Is 02 8311 4603 a spam or scam number?: EndSpam has 7 community reports for 02 8311 4603, currently categorised as mixed reports with a high risk level (80/100).
How do I block 02 8311 4603?: On iPhone, open the Phone app, tap the information icon next to the number in Recents, then tap "Block this Caller". On Android, press and hold the number in Recents and choose "Block / report spam".
How is the risk level calculated?: EndSpam combines how many independent people reported the number, how recently it was reported, and what they reported it as into a 0–100 risk score, then maps that to a Low, Medium, or High risk level.
When was 02 8311 4603 last reported?: The most recent community report for 02 8311 4603 was on 2026-08-26; it was first reported on 2026-07-08. In total 7 independent people have reported it.
What network is 02 8311 4603 on?: 02 8311 4603 is allocated to SYMBIO NETWORKS PTY LTD in the Sydney numbering area. Allocation shows which carrier issued the number, not who is calling — scammers frequently use numbers from mainstream carriers or spoof them.

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