Area codes & numbering areas
The four giant area codes — 02, 03, 07 and 08 — broken down into 2,100 town-level numbering areas, with the carrier behind every block according to the official ACMA register.
Browse area codes →Official data from the ACMA numbering register · Moderated community reports
Who called me from this number?
Free reverse phone lookup for Australia: enter any number and see straight away which area or mobile prefix it belongs to, which carrier holds its range in the official register — and what other people who got the same call are saying about it.
2,100town-level numbering areas in the register
73,631landline number blocks (02/03/07/08)
364,297individual 13, 1300 & 1800 allocations
173mobile range allocations (04xx)
Most-searched prefixes
The mobile prefixes where nuisance calls concentrate, the four area codes and the smartnumber families: every page shows carriers, allocated ranges and reported numbers.
0400 mobile0411 mobile0412 mobile0417 mobile0418 mobile0419 mobile0451 mobile0480 mobile02 NSW & ACT03 VIC & TAS07 QLD08 SA, WA & NT1300 numbers1800 numbers13 numbers190x premium
1300, 1800, 13… who pays for the call?
Free 1800 numbers, local-rate 1300 and 13 numbers, premium 190x services: every number class explained in plain English, with the register's own allocation data.
Number types & costs →Spam barometer
Which number ranges attract the community's scam and nuisance reports, and how Australia's unwanted-call wave is shifting.
See the barometer →Overseas country codes
Missed a call from +44, +63 or +234? Every country code, with warnings for the ranges that appear again and again in one-ring callback (wangiri) scams.
Check country codes →Australia's area codes at a glance
Guides: making sense of unknown callers
Who called me from this number? How to trace any Australian number
What a reverse phone lookup can and can't tell you in Australia: what the ACMA numbering register reveals, why no site can name a private caller, and how to use community reports properly.
Keep reading →1300, 1800 and 13 numbers explained: who's calling and what it costs
The three smartnumber families — six-digit 13 numbers, 1300 local-rate and 1800 freephone — what each costs from mobiles and landlines, who owns them, and why scammers love to spoof them.
Keep reading →Australian area codes: the complete 02, 03, 07 and 08 guide
How Australia's four geographic area codes map to the states, how the ACMA carves each one into town-level numbering areas, and how to read a landline number like a register entry.
Keep reading →How to check if a phone number is a scam
A practical checklist: search the number, read community reports, check Scamwatch's current alerts, verify against the organisation's published number — and the red flags that decide it in seconds.
Keep reading →Current phone scams in Australia
The scripts doing the rounds right now: ATO tax debts, NBN disconnection threats, toll-road payment texts, the 'Hi Mum' WhatsApp scam and bank impersonation — with the tells for each one.
Keep reading →The Do Not Call Register: what it does and doesn't stop
How to list your number on donotcall.gov.au, who is still allowed to call you afterwards, and why scam calls ignore the register entirely — plus what actually reduces them.
Keep reading →Caller ID spoofing: why the number that called you may be fake
Scammers can display a real bank's 1300 number, a government line or your neighbour's mobile. How spoofing works, what the ACMA's Reducing Scam Calls code changed, and how to protect yourself.
Keep reading →Private and blocked numbers: can you unmask a no-caller-ID call?
What 'No Caller ID' actually means, whether apps that promise to reveal private numbers work, what your telco can and can't do, and the legitimate path when calls become harassment.
Keep reading →Porting a number in Australia: how it works and how it's abused
How mobile number porting works, why the register still names the original range holder after a port, and how to protect yourself against unauthorised porting and SIM-swap fraud.
Keep reading →04 vs 05: Australia's mobile numbers and the new range
Every Australian mobile starts with 04 — for now. Why the ACMA reserved 05 as the next mobile range, when 05 numbers will appear, and what a 05 caller ID means in the meantime.
Keep reading →Why am I getting calls from overseas numbers?
Missed calls from +44, +63, +234 and stranger codes: which country each prefix belongs to, how the wangiri one-ring scam works, and why a +61 caller can still be dialling from abroad.
Keep reading →What is a silent number and how do you get one?
Silent (unlisted) numbers keep you out of directories — for a fee that consumer groups have long criticised. What a silent line does and doesn't hide, and how it interacts with caller ID.
Keep reading →0412, 0417, 0418…: which carrier owns which mobile prefix?
The carrier history written into Australia's mobile prefixes: the analogue 017/018/019 numbers that became 0417/0418/0419, the One.Tel ranges Telstra inherited, and why porting means the prefix no longer proves the network.
Keep reading →How this reverse lookup works
Every structurally valid Australian number gets its own page with three layers: official register data (the numbering area, mobile range or smartnumber allocation straight from the ACMA register, data as of 2026-08-31), community verdicts (anonymous votes and moderated reports) and cost guidanceunder the national numbering plan. We never show private individuals' names or addresses; our methodology page explains every source.