Barrinford (Ext): landline numbers and carriers
Barrinford (Ext) is one of the town-level numbering areas the ACMA register uses under area code 02 (NSW & ACT). The register lists 22 number blocks for it with about 8,700 allocated numbers, held by 15 carriers. A landline that calls you from one of these blocks was issued for the Barrinford (Ext) area — though the line may since have been ported, and caller ID can be spoofed.
Source: ACMA register, data as of 31/08/2026
The carriers in Barrinford (Ext)
SYMBIO NETWORKS PTY LTD holds the largest share here with 50.6% of allocated numbers — with 14 other carriers alongside. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| SYMBIO NETWORKS PTY LTD | 6 | 4,400 | 50.6% |
| OPTUS NETWORKS PTY LIMITED | 2 | 2,000 | 23% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 11.5% |
| NETSIP PTY LTD | 2 | 200 | 2.3% |
| ADARGA PTY LTD | 1 | 100 | 1.1% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 1.1% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 1.1% |
| LMGPS LTD | 1 | 100 | 1.1% |
| NETERA PTY LTD | 1 | 100 | 1.1% |
| PIPE NETWORKS PTY LIMITED | 1 | 100 | 1.1% |
| PIVOTEL SATELLITE PTY LIMITED | 1 | 100 | 1.1% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 1 | 100 | 1.1% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 1 | 100 | 1.1% |
| THE TRUSTEE FOR READING FAMILY TRUST | 1 | 100 | 1.1% |
| VIRTUTEL PTY LTD | 1 | 100 | 1.1% |
Number blocks registered for Barrinford (Ext)
The ACMA allocates geographic numbers in blocks tied to this numbering area. Every registered block for this area is allocated to a carrier.
| Block start | Numbers | Held by |
|---|---|---|
| 0258244800… | 100 | VIRTUTEL PTY LTD |
| 0258313400… | 100 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0258323000… | 100 | NETSIP PTY LTD |
| 0258339600… | 100 | LMGPS LTD |
| 0258343200… | 100 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0258377400… | 100 | NETSIP PTY LTD |
| 0258385400… | 100 | SYMBIO NETWORKS PTY LTD |
| 0258483000… | 3,000 | SYMBIO NETWORKS PTY LTD |
| 0258511600… | 100 | CHECK TECHNOLOGY GROUP PTY LTD |
| 0258536000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0258542000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0258551200… | 100 | C2A INTERNET.COM.AU PTY. LTD. |
| 0258571800… | 100 | PIVOTEL SATELLITE PTY LIMITED |
| 0258608500… | 100 | ADARGA PTY LTD |
| 0258626100… | 100 | NETERA PTY LTD |
| 0258650700… | 100 | SYMBIO NETWORKS PTY LTD |
| 0268081200… | 100 | SYMBIO NETWORKS PTY LTD |
| 0268081400… | 100 | SYMBIO NETWORKS PTY LTD |
Excerpt: the 18 lowest of 22 allocated blocks (source: ACMA register).
Check a number from Barrinford (Ext)
Worth knowing
- Block data tells you where a line was issued, not who is calling — and scammers routinely spoof local landline numbers to make a call look nearby.
- Learn more: the Australian area codes guide and how caller ID spoofing works.