Cranbourne: landline numbers and carriers

Cranbourne is one of the town-level numbering areas the ACMA register uses under area code 03 (VIC & TAS). The register lists 50 number blocks for it with about 148,000 allocated numbers, held by 19 carriers and spread over the 0359… and 0349… dialling prefixes. That makes Cranbourne the 21st largest of 475 numbering areas under 03 by block count, with 0.43% of the area code's allocated numbers. A landline that calls you from one of these blocks was issued for the Cranbourne area — though the line may since have been ported, and caller ID can be spoofed.

Source: ACMA register, data as of 15/10/2026

50blocks in the register
19carriers with allocations
148,000allocated numbers
1991first allocation

Where Cranbourne is

State or territory
Victoria
Council area
Casey
Local time
— AEST, UTC+10; AEDT, UTC+11 in summer
Number format
03 59xx xxxx; from overseas +61 3 59xx xxxx
Nearest numbering areas
Dandenong (15 km), Pakenham (19 km), Koo Wee Rup (22 km), Mornington (22 km), Clayton (25 km)

Locality, council and state: ABS ASGS Edition 3 (CC BY 4.0). Distances are straight-line between localities.

Map of the Cranbourne numbering area in Victoria and the nearest other numbering areas
Shaded: Casey council area. The ACMA doesn't publish numbering-area boundaries, so the dot marks the Cranbourne locality rather than an exact outline; the inset shows where the map sits in Australia. Boundaries: ABS (CC BY 4.0).

How Cranbourne was numbered

The oldest block in Cranbourne was allocated on 30 June 1991 and is held today by TELSTRA LIMITED; the newest on 21 September 2026 to SYMBIO NETWORKS PTY LTD. Most of the area's blocks — 12 of 50 — date from 2015–2019, but allocations here span 35 years. 34 of the blocks are the standard 1,000-number size, and 6 are 10,000 numbers or larger. 10 allocated blocks have changed hands since they were first issued: the register still names AAPT LIMITED, ENGIN PTY LIMITED, GOTALK LIMITED, IPTEL PTY LIMITED, IVOX PTY LTD, POWERTEL LIMITED, RSL COM AUSTRALIA PTY LIMITED and TWILIO AUSTRALIA PTY LTD as original allocatees of blocks now held by other carriers.

PeriodBlocks allocated
1990–19943
2000–20045
2005–200910
2010–20146
2015–201912
2020–20248
2025–20296

The carriers in Cranbourne

TELSTRA LIMITED holds the largest share here with 43.9% of allocated numbers across 9 blocks; OPTUS MOBILE PTY LIMITED is second with 14.9%, and 17 other carriers hold the rest. TELSTRA LIMITED has the longest tenure, with a block dated 30/06/1991; SYMBIO NETWORKS PTY LTD received the newest, on 21/09/2026. OPTUS MOBILE PTY LIMITED (1), SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED (1) and SYMBIO NETWORKS PTY LTD (5) hold blocks originally allocated to another carrier.

CarrierBlocksNumbersShareFirst blockLatest block
TELSTRA LIMITED965,00043.9%30/06/199128/08/2019
OPTUS MOBILE PTY LIMITED422,00014.9%30/05/200722/05/2008
OPTUS NETWORKS PTY LIMITED415,00010.1%12/11/200416/10/2014
SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED311,0007.4%30/03/200020/03/2018
SYMBIO NETWORKS PTY LTD910,0006.8%12/11/200421/09/2026
PRIMUS TELECOMMUNICATIONS PTY LIMITED48,0005.4%24/12/200407/11/2016
CHIME COMMUNICATIONS PTY LTD33,0002%14/07/200402/05/2016
NETSIP PTY LTD33,0002%14/02/201810/07/2026
ADARGA PTY LTD11,0000.7%16/09/202516/09/2025
AGILE PTY LTD11,0000.7%30/03/200730/03/2007
C2A INTERNET.COM.AU PTY. LTD.11,0000.7%13/07/202313/07/2023
CHECK TECHNOLOGY GROUP PTY LTD11,0000.7%31/01/202231/01/2022
LMGPS LTD11,0000.7%23/11/202323/11/2023
NETERA PTY LTD11,0000.7%24/10/202524/10/2025
PIPE INTERNATIONAL (AUSTRALIA) PTY LTD11,0000.7%25/07/200725/07/2007
PIPE NETWORKS PTY LIMITED11,0000.7%29/07/202229/07/2022
PIVOTEL SATELLITE PTY LIMITED11,0000.7%16/04/202516/04/2025
THE TRUSTEE FOR READING FAMILY TRUST11,0000.7%21/10/201921/10/2019
VIRTUTEL PTY LTD11,0000.7%20/12/201520/12/2015

Number blocks registered for Cranbourne

Every registered block for this area is allocated to a carrier. All 50 blocks, ascending:

Block startNumbersOriginal allocateeCurrent holderAllocatedTransferred
0349001000…1,000=LMGPS LTD23/11/2023—
0349013000…1,000=PIVOTEL SATELLITE PTY LIMITED16/04/2025—
0349028000…1,000=ADARGA PTY LTD16/09/2025—
0349040000…1,000=NETERA PTY LTD24/10/2025—
0349052000…1,000=SYMBIO NETWORKS PTY LTD19/08/2026—
0359003000…3,000IPTEL PTY LIMITEDSOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED30/03/200001/12/2004
0359027000…1,000GOTALK LIMITEDSYMBIO NETWORKS PTY LTD12/11/200418/07/2013
0359049000…1,000=CHIME COMMUNICATIONS PTY LTD14/07/2004—
0359051000…1,000ENGIN PTY LIMITEDPRIMUS TELECOMMUNICATIONS PTY LIMITED24/12/200411/08/2015
0359059000…1,000TWILIO AUSTRALIA PTY LTDSYMBIO NETWORKS PTY LTD24/09/202015/10/2020
0359068000…1,000=SYMBIO NETWORKS PTY LTD19/06/2020—
0359077000…1,000=PRIMUS TELECOMMUNICATIONS PTY LIMITED25/05/2005—
0359111000…1,000=NETSIP PTY LTD26/10/2021—
0359112000…1,000RSL COM AUSTRALIA PTY LIMITEDSYMBIO NETWORKS PTY LTD17/01/200706/10/2009
0359115000…1,000POWERTEL LIMITEDPIPE INTERNATIONAL (AUSTRALIA) PTY LTD25/07/200724/03/2026
0359119000…1,000OPTUS NETWORKS PTY LIMITEDOPTUS MOBILE PTY LIMITED30/05/2007—
0359144000…1,000=AGILE PTY LTD30/03/200718/03/2011
0359159000…1,000GOTALK LIMITEDSYMBIO NETWORKS PTY LTD26/10/200718/07/2013
0359170000…10,000=OPTUS NETWORKS PTY LIMITED27/04/2007—
0359200000…10,000=OPTUS MOBILE PTY LIMITED22/05/2008—
0359233000…1,000=PRIMUS TELECOMMUNICATIONS PTY LIMITED03/02/2012—
0359242000…1,000=OPTUS NETWORKS PTY LIMITED17/02/2012—
0359248000…1,000IVOX PTY LTDSYMBIO NETWORKS PTY LTD18/06/201217/06/2014
0359260000…1,000=CHIME COMMUNICATIONS PTY LTD19/08/2015—
0359268000…1,000=VIRTUTEL PTY LTD20/12/2015—
0359280000…1,000=SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED14/07/2016—
0359292000…1,000=NETSIP PTY LTD14/02/2018—
0359303000…5,000=PRIMUS TELECOMMUNICATIONS PTY LIMITED07/11/2016—
0359329000…1,000=CHIME COMMUNICATIONS PTY LTD02/05/2016—
0359330000…10,000=OPTUS MOBILE PTY LIMITED10/04/2008—
0359352000…1,000=NETSIP PTY LTD10/07/2026—
0359353000…2,000=SYMBIO NETWORKS PTY LTD21/09/2026—
0359361000…1,000=THE TRUSTEE FOR READING FAMILY TRUST21/10/2019—
0359464000…1,000=CHECK TECHNOLOGY GROUP PTY LTD31/01/2022—
0359533000…3,000=OPTUS NETWORKS PTY LIMITED16/10/2014—
0359538000…2,000=TELSTRA LIMITED28/08/2019—
0359551000…1,000=OPTUS NETWORKS PTY LIMITED12/11/2004—
0359557000…1,000=OPTUS MOBILE PTY LIMITED05/09/2007—
0359900000…20,000=TELSTRA LIMITED30/06/1991—
0359920000…7,000=SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED20/03/2018—
0359927000…3,000=TELSTRA LIMITED02/12/2016—
0359930000…5,000=TELSTRA LIMITED02/11/2017—
0359935000…1,000AAPT LIMITEDPIPE NETWORKS PTY LIMITED29/07/202224/03/2026
0359938000…1,000=C2A INTERNET.COM.AU PTY. LTD.13/07/2023—
0359949000…1,000=SYMBIO NETWORKS PTY LTD25/09/2023—
0359950000…20,000=TELSTRA LIMITED30/06/1991—
0359980000…10,000=TELSTRA LIMITED30/06/1991—
0359990000…2,000=TELSTRA LIMITED11/08/2015—
0359992000…2,000=TELSTRA LIMITED21/03/2013—
0359994000…1,000=TELSTRA LIMITED10/05/2010—

Numbering areas next to Cranbourne in the register

Immediately below and above Cranbourne's blocks in the 0359… and 0349… prefixes sit Cowes, Emerald (VIC), Healesville, Koo Wee Rup, Marysville, Mornington and Pakenham.

Numbering areaFirst blockBlocksCarriers
Cowes0349000000…2918
Emerald (VIC)0349002000…3718
Healesville0349003000…3218
Koo Wee Rup0349004000…2918
Marysville0349005000…2818
Mornington0349006000…5319
Pakenham0349007000…4018

Had a call from a Cranbourne number?

No clear pattern in reports on these numbers yet. If a call worried you:

  1. 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.

  2. 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.

  3. 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.

  4. 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 Victoria Police. 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.

Cranbourne numbers: questions and answers

Where is the Cranbourne numbering area?

Cranbourne is in Victoria, in the Casey council area. The nearest other numbering areas are Dandenong (15 km), Pakenham (19 km) and Koo Wee Rup (22 km).

What area code does Cranbourne use?

Cranbourne numbers use area code 03. Its register blocks start with 03 59 and 03 49. From overseas, drop the 0 and dial +61 3 followed by the eight-digit local number.

What time zone is Cranbourne in?

Cranbourne is on Australian Eastern Time (AEST, UTC+10), with daylight saving (AEDT, UTC+11) from the first Sunday in October to the first Sunday in April.

Which carriers hold Cranbourne phone numbers?

The ACMA register lists 19 carriers with allocated blocks in Cranbourne. By allocated numbers the largest are Telstra (43.9%), Optus Mobile (14.9%) and Optus Networks (10.1%). A number can since have been ported to another provider.

When were Cranbourne numbers first allocated?

The oldest block on record for Cranbourne was allocated on 30 June 1991 and is held by Telstra; the newest on 21 September 2026, to Symbio Networks.

How do I report a scam call from a Cranbourne number?

Report it to Scamwatch. If you lost money, call your bank first, then report it through ReportCyber, which passes it to Victoria Police. Unwanted sales calls go to the Do Not Call Register's complaint form (1300 792 958).

Check a number from Cranbourne

Scammers spoof local landline numbers to look nearby. Guides: Australian area codes, how caller ID spoofing works.