Cairns: landline numbers and carriers
Cairns is one of the town-level numbering areas the ACMA register uses under area code 07 (QLD). The register lists 104 number blocks for it with about 540,000 allocated numbers, held by 21 carriers and spread over the 0742…, 0740… and 0770… dialling prefixes. That makes Cairns the 4th largest of 409 numbering areas under 07 by block count, with 2.37% of the area code's allocated numbers. A landline that calls you from one of these blocks was issued for the Cairns area — though the line may since have been ported, and caller ID can be spoofed.
Source: ACMA register, data as of 16/10/2026
Where Cairns is
- State or territory
- Queensland
- Council area
- Cairns
- ABS locality
- Cairns City
- Local time
- — AEST, UTC+10, no daylight saving
- Number format
- 07 42xx xxxx; from overseas +61 7 42xx xxxx
Locality, council and state: ABS ASGS Edition 3 (CC BY 4.0). Distances are straight-line between localities.
How Cairns was numbered
The oldest block in Cairns was allocated on 30 June 1991 and is held today by TELSTRA LIMITED; the newest on 1 October 2026 to TWILIO AUSTRALIA PTY LTD. Most of the area's blocks — 26 of 104 — date from 2015–2019, but allocations here span 35 years. 52 of the blocks are the standard 1,000-number size, and 17 are 10,000 numbers or larger. 22 allocated blocks have changed hands since they were first issued: the register still names AAPT LIMITED, EISA LIMITED, ENGIN PTY LIMITED, GOTALK LIMITED, IVOX PTY LTD, NZ 3 PTY LIMITED, RSL COM AUSTRALIA PTY LIMITED and VOCUS PTY LTD as original allocatees of blocks now held by other carriers.
| Period | Blocks allocated |
|---|---|
| 1990–1994 | 10 |
| 1995–1999 | 8 |
| 2000–2004 | 7 |
| 2005–2009 | 18 |
| 2010–2014 | 12 |
| 2015–2019 | 26 |
| 2020–2024 | 13 |
| 2025–2029 | 10 |
The carriers in Cairns
TELSTRA LIMITED holds the largest share here with 57.4% of allocated numbers across 24 blocks; SYMBIO NETWORKS PTY LTD is second with 11.9%, and 19 other carriers hold the rest. TELSTRA LIMITED has the longest tenure, with a block dated 30/06/1991; TWILIO AUSTRALIA PTY LTD received the newest, on 01/10/2026. SYMBIO NETWORKS PTY LTD (9), OPTUS NETWORKS PTY LIMITED (1) and PRIMUS TELECOMMUNICATIONS PTY LIMITED (1) hold blocks originally allocated to another carrier.
| Carrier | Blocks | Numbers | Share | First block | Latest block |
|---|---|---|---|---|---|
| TELSTRA LIMITED | 24 | 310,000 | 57.4% | 30/06/1991 | 01/10/2019 |
| SYMBIO NETWORKS PTY LTD | 19 | 64,000 | 11.9% | 12/11/2004 | 19/08/2026 |
| OPTUS NETWORKS PTY LIMITED | 15 | 64,000 | 11.9% | 09/09/2003 | 06/07/2026 |
| OPTUS MOBILE PTY LIMITED | 3 | 22,000 | 4.1% | 10/10/2007 | 29/09/2008 |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 9 | 19,000 | 3.5% | 24/12/2004 | 15/03/2017 |
| PIPE NETWORKS PTY LIMITED | 10 | 17,000 | 3.1% | 14/07/1999 | 29/05/2023 |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 11,000 | 2% | 29/04/1999 | 14/07/2016 |
| AUSTRALIAN COMMUNICATIONS AND MEDIA AUTHORITY | 1 | 10,000 | 1.9% | 07/02/2024 | 07/02/2024 |
| NETSIP PTY LTD | 4 | 6,000 | 1.1% | 14/02/2018 | 12/05/2025 |
| CHIME COMMUNICATIONS PTY LTD | 4 | 4,000 | 0.7% | 14/07/2004 | 15/10/2019 |
| AGILE PTY LTD | 2 | 2,000 | 0.4% | 03/04/2007 | 26/10/2018 |
| NETERA PTY LTD | 2 | 2,000 | 0.4% | 24/10/2025 | 24/10/2025 |
| ADARGA PTY LTD | 1 | 1,000 | 0.2% | 16/09/2025 | 16/09/2025 |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.2% | 13/07/2023 | 13/07/2023 |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 0.2% | 31/01/2022 | 31/01/2022 |
| LMGPS LTD | 1 | 1,000 | 0.2% | 23/11/2023 | 23/11/2023 |
| PIVOTEL SATELLITE PTY LIMITED | 1 | 1,000 | 0.2% | 16/04/2025 | 16/04/2025 |
| THE TRUSTEE FOR READING FAMILY TRUST | 1 | 1,000 | 0.2% | 21/10/2019 | 21/10/2019 |
| TWILIO AUSTRALIA PTY LTD | 1 | 1,000 | 0.2% | 01/10/2026 | 01/10/2026 |
| VIRTUTEL PTY LTD | 1 | 1,000 | 0.2% | 20/12/2015 | 20/12/2015 |
| WHY PAY MORE 4 LESS PTY LTD | 1 | 1,000 | 0.2% | 10/05/2018 | 10/05/2018 |
Number blocks registered for Cairns
Every registered block for this area is allocated to a carrier. All 104 blocks, ascending:
| Block start | Numbers | Original allocatee | Current holder | Allocated | Transferred |
|---|---|---|---|---|---|
| 0740000000… | 10,000 | EISA LIMITED | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 29/04/1999 | 01/12/2004 |
| 0740150000… | 1,000 | = | OPTUS NETWORKS PTY LIMITED | 09/09/2003 | — |
| 0740151000… | 2,000 | = | OPTUS NETWORKS PTY LIMITED | 19/05/2004 | — |
| 0740153000… | 1,000 | GOTALK LIMITED | SYMBIO NETWORKS PTY LTD | 12/11/2004 | 26/07/2013 |
| 0740192000… | 1,000 | ENGIN PTY LIMITED | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 24/12/2004 | 11/08/2015 |
| 0740196000… | 1,000 | = | OPTUS NETWORKS PTY LIMITED | 07/04/2005 | — |
| 0740197000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 06/07/2021 | 24/03/2026 |
| 0740205000… | 3,000 | = | OPTUS NETWORKS PTY LIMITED | 09/03/2021 | — |
| 0740208000… | 2,000 | = | SYMBIO NETWORKS PTY LTD | 19/06/2020 | — |
| 0740212000… | 1,000 | = | NETSIP PTY LTD | 26/10/2021 | — |
| 0740279000… | 1,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 26/05/2005 | — |
| 0740283000… | 1,000 | = | OPTUS NETWORKS PTY LIMITED | 20/06/2005 | — |
| 0740284000… | 1,000 | TWILIO AUSTRALIA PTY LTD | SYMBIO NETWORKS PTY LTD | 24/08/2020 | 15/10/2020 |
| 0740300000… | 2,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740307000… | 2,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740310000… | 86,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740398000… | 2,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740400000… | 10,000 | = | TELSTRA LIMITED | 18/02/2000 | — |
| 0740410000… | 20,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740440000… | 20,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740460000… | 10,000 | = | TELSTRA LIMITED | 29/03/1999 | — |
| 0740474000… | 6,000 | = | TELSTRA LIMITED | 29/03/1999 | — |
| 0740480000… | 3,000 | = | TELSTRA LIMITED | 16/03/1995 | — |
| 0740487000… | 3,000 | = | TELSTRA LIMITED | 16/03/1995 | — |
| 0740490000… | 3,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 14/07/1999 | 24/03/2026 |
| 0740493000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 30/11/2000 | 24/03/2026 |
| 0740500000… | 61,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740567000… | 19,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740589000… | 7,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740598000… | 2,000 | = | TELSTRA LIMITED | 30/06/1991 | — |
| 0740749000… | 1,000 | TWILIO AUSTRALIA PTY LTD | SYMBIO NETWORKS PTY LTD | 24/09/2020 | 15/10/2020 |
| 0740786000… | 1,000 | = | CHIME COMMUNICATIONS PTY LTD | 14/07/2004 | — |
| 0740792000… | 1,000 | = | SYMBIO NETWORKS PTY LTD | 19/11/2012 | — |
| 0740795000… | 1,000 | = | AGILE PTY LTD | 03/04/2007 | 03/09/2012 |
| 0740800000… | 10,000 | = | TELSTRA LIMITED | 14/09/1995 | — |
| 0740810000… | 10,000 | = | TELSTRA LIMITED | 11/07/1996 | — |
| 0740827000… | 1,000 | = | SYMBIO NETWORKS PTY LTD | 24/04/2014 | — |
| 0740840000… | 1,000 | GOTALK LIMITED | SYMBIO NETWORKS PTY LTD | 08/06/2006 | 26/07/2013 |
| 0740881000… | 1,000 | RSL COM AUSTRALIA PTY LIMITED | SYMBIO NETWORKS PTY LTD | 17/01/2007 | 09/10/2009 |
| 0742060000… | 10,000 | = | OPTUS MOBILE PTY LIMITED | 22/05/2008 | — |
| 0742110000… | 10,000 | = | OPTUS MOBILE PTY LIMITED | 29/09/2008 | — |
| 0742124000… | 1,000 | VOXBONE | SYMBIO NETWORKS PTY LTD | 02/09/2010 | 31/10/2011 |
| 0742131000… | 1,000 | = | OPTUS NETWORKS PTY LIMITED | 10/06/2011 | — |
| 0742140000… | 1,000 | = | CHIME COMMUNICATIONS PTY LTD | 14/09/2011 | — |
| 0742145000… | 1,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 28/07/2011 | — |
| 0742166000… | 1,000 | GOTALK LIMITED | SYMBIO NETWORKS PTY LTD | 30/01/2012 | 26/07/2013 |
| 0742209000… | 1,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 11/01/2008 | — |
| 0742210000… | 10,000 | = | OPTUS NETWORKS PTY LIMITED | 05/04/2007 | — |
| 0742220000… | 10,000 | = | OPTUS NETWORKS PTY LIMITED | 12/12/2006 | — |
| 0742246000… | 2,000 | = | OPTUS MOBILE PTY LIMITED | 10/10/2007 | — |
| 0742252000… | 1,000 | = | OPTUS NETWORKS PTY LIMITED | 26/11/2007 | — |
| 0742253000… | 2,000 | = | OPTUS NETWORKS PTY LIMITED | 29/05/2008 | — |
| 0742255000… | 1,000 | NZ 3 PTY LIMITED | SYMBIO NETWORKS PTY LTD | 18/08/2008 | 23/06/2014 |
| 0742260000… | 10,000 | = | OPTUS NETWORKS PTY LIMITED | 13/10/2009 | — |
| 0742290000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 01/05/2014 | 24/03/2026 |
| 0742299000… | 1,000 | = | SYMBIO NETWORKS PTY LTD | 10/04/2015 | — |
| 0742300000… | 1,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 12/06/2015 | — |
| 0742307000… | 1,000 | IVOX PTY LTD | SYMBIO NETWORKS PTY LTD | 18/06/2012 | 17/06/2014 |
| 0742319000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 24/06/2015 | 24/03/2026 |
| 0742321000… | 5,000 | = | TELSTRA LIMITED | 29/02/2012 | — |
| 0742340000… | 1,000 | = | VIRTUTEL PTY LTD | 20/12/2015 | — |
| 0742410000… | 10,000 | = | OPTUS NETWORKS PTY LIMITED | 25/07/2012 | — |
| 0742421000… | 3,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 03/02/2012 | — |
| 0742424000… | 2,000 | VOCUS PTY LTD | OPTUS NETWORKS PTY LIMITED | 28/04/2008 | — |
| 0742428000… | 1,000 | = | CHIME COMMUNICATIONS PTY LTD | 10/02/2009 | — |
| 0742433000… | 10,000 | = | SYMBIO NETWORKS PTY LTD | 28/04/2016 | — |
| 0742447000… | 1,000 | = | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 14/07/2016 | — |
| 0742458000… | 2,000 | = | TELSTRA LIMITED | 21/05/2015 | — |
| 0742488000… | 1,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 26/07/2016 | — |
| 0742493000… | 1,000 | = | NETSIP PTY LTD | 14/02/2018 | — |
| 0742522000… | 8,000 | = | TELSTRA LIMITED | 03/07/2017 | — |
| 0742533000… | 3,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 07/11/2016 | — |
| 0742536000… | 10,000 | = | SYMBIO NETWORKS PTY LTD | 10/11/2016 | — |
| 0742555000… | 5,000 | = | TELSTRA LIMITED | 10/02/2017 | — |
| 0742560000… | 7,000 | = | PRIMUS TELECOMMUNICATIONS PTY LIMITED | 15/03/2017 | — |
| 0742567000… | 2,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 30/03/2017 | 24/03/2026 |
| 0742575000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 30/01/2018 | 24/03/2026 |
| 0742580000… | 1,000 | = | ADARGA PTY LTD | 16/09/2025 | — |
| 0742593000… | 1,000 | = | THE TRUSTEE FOR READING FAMILY TRUST | 21/10/2019 | — |
| 0742680000… | 20,000 | = | SYMBIO NETWORKS PTY LTD | 14/11/2019 | — |
| 0742722000… | 1,000 | = | WHY PAY MORE 4 LESS PTY LTD | 10/05/2018 | — |
| 0742761000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 18/05/2018 | 24/03/2026 |
| 0742791000… | 1,000 | = | CHECK TECHNOLOGY GROUP PTY LTD | 31/01/2022 | — |
| 0742805000… | 5,000 | = | TELSTRA LIMITED | 03/08/2018 | — |
| 0742810000… | 1,000 | = | AGILE PTY LTD | 26/10/2018 | — |
| 0742811000… | 3,000 | = | TELSTRA LIMITED | 11/12/2018 | — |
| 0742816000… | 1,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 13/08/2019 | 24/03/2026 |
| 0742817000… | 1,000 | = | CHIME COMMUNICATIONS PTY LTD | 15/10/2019 | — |
| 0742852000… | 3,000 | = | NETSIP PTY LTD | 04/05/2023 | — |
| 0742855000… | 5,000 | AAPT LIMITED | PIPE NETWORKS PTY LIMITED | 29/05/2023 | 24/03/2026 |
| 0742864000… | 1,000 | = | C2A INTERNET.COM.AU PTY. LTD. | 13/07/2023 | — |
| 0742907000… | 1,000 | = | LMGPS LTD | 23/11/2023 | — |
| 0742950000… | 1,000 | = | PIVOTEL SATELLITE PTY LIMITED | 16/04/2025 | — |
| 0742990000… | 9,000 | = | TELSTRA LIMITED | 01/10/2019 | — |
| 0770000000… | 1,000 | = | NETSIP PTY LTD | 12/05/2025 | — |
| 0770005000… | 5,000 | = | OPTUS NETWORKS PTY LIMITED | 13/03/2024 | — |
| 0770010000… | 5,000 | = | SYMBIO NETWORKS PTY LTD | 21/05/2025 | — |
| 0770015000… | 1,000 | = | NETERA PTY LTD | 24/10/2025 | — |
| 0770054000… | 5,000 | = | OPTUS NETWORKS PTY LIMITED | 06/07/2026 | — |
| 0770063000… | 1,000 | = | SYMBIO NETWORKS PTY LTD | 19/08/2026 | — |
| 0770100000… | 10,000 | = | AUSTRALIAN COMMUNICATIONS AND MEDIA AUTHORITY | 07/02/2024 | — |
| 0770110000… | 1,000 | = | NETERA PTY LTD | 24/10/2025 | — |
| 0770113000… | 4,000 | = | SYMBIO NETWORKS PTY LTD | 19/08/2026 | — |
| 0770117000… | 1,000 | = | TWILIO AUSTRALIA PTY LTD | 01/10/2026 | — |
Numbering areas next to Cairns in the register
Immediately above Cairns's blocks in the 0742…, 0740… and 0770… prefixes sit Atherton, Aurukun, Babinda, Bloomfield, Chillagoe and Coen.
| Numbering area | First block | Blocks | Carriers |
|---|---|---|---|
| Atherton | 0740010000… | 34 | 19 |
| Aurukun | 0740013000… | 29 | 18 |
| Babinda | 0740016000… | 31 | 19 |
| Bloomfield | 0740020000… | 28 | 18 |
| Chillagoe | 0740023000… | 28 | 18 |
| Coen | 0740026000… | 28 | 17 |
Had a call from a Cairns number?
No clear pattern in reports on these numbers yet. If a call worried you:
- Call back on a number you trust
If a caller says they're your bank, the ATO, Services Australia, a courier or your telco, hang up and ring the organisation on the number from its website or your statement, never the number that called you. Caller ID can be faked.
- Report the call to Scamwatch
The National Anti-Scam Centre uses Scamwatch reports to warn others and to get scam numbers blocked. Note the number, the time and what the caller claimed to be. If anyone is in danger, call 000.
- Register on the Do Not Call Register
Registering landlines and mobiles is free and stops most telemarketing calls within 30 days. Charities, political parties, surveys and scammers aren't covered.
- If you lost money or shared details
Call your bank straight away on the number on your card and ask it to stop the payment. Then report it through ReportCyber, which passes cybercrime reports to the Queensland Police Service. If your identity documents or passwords were shared, IDCARE's free support service can help you lock things down.
Nationally, Scamwatch recorded $72.5 million lost to scams that started with a phone call in 2025 (down from $107.2 million), with a median loss of $3,800 per report that lost money, and phone-call scam reports are 73.7% below their 2021 level. Telcos blocked 109.3 million scam calls and 45.2 million scam texts in January to March 2026. Sources: Targeting scams 2025 (National Anti-Scam Centre); ACMA quarterly report, Jan–Mar 2026.
Cairns numbers: questions and answers
Where is the Cairns numbering area?
Cairns is in Queensland, in the Cairns council area. The nearest other numbering areas are Gordonvale (19 km), Kuranda (20 km) and Mareeba (32 km).
What area code does Cairns use?
Cairns numbers use area code 07. Its register blocks start with 07 42, 07 40 and 07 70. From overseas, drop the 0 and dial +61 7 followed by the eight-digit local number.
What time zone is Cairns in?
Cairns is on Australian Eastern Time (AEST, UTC+10), with no daylight saving.
Which carriers hold Cairns phone numbers?
The ACMA register lists 21 carriers with allocated blocks in Cairns. By allocated numbers the largest are Telstra (57.4%), Symbio Networks (11.9%) and Optus Networks (11.9%). A number can since have been ported to another provider.
When were Cairns numbers first allocated?
The oldest block on record for Cairns was allocated on 30 June 1991 and is held by Telstra; the newest on 1 October 2026, to Twilio Australia.
How do I report a scam call from a Cairns number?
Report it to Scamwatch. If you lost money, call your bank first, then report it through ReportCyber, which passes it to the Queensland Police Service. Unwanted sales calls go to the Do Not Call Register's complaint form (1300 792 958).
Check a number from Cairns
Scammers spoof local landline numbers to look nearby. Guides: Australian area codes, how caller ID spoofing works.