Gunnedah: landline numbers and carriers
Gunnedah is one of the town-level numbering areas the ACMA register uses under area code 02 (NSW & ACT). The register lists 35 number blocks for it with about 45,000 allocated numbers, held by 18 carriers. A landline that calls you from one of these blocks was issued for the Gunnedah 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 Gunnedah
TELSTRA LIMITED holds the largest share here with 60% of allocated numbers — with 17 other carriers alongside. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| TELSTRA LIMITED | 4 | 27,000 | 60% |
| OPTUS NETWORKS PTY LIMITED | 3 | 5,000 | 11.1% |
| SYMBIO NETWORKS PTY LTD | 7 | 4,500 | 10% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 4.4% |
| NETSIP PTY LTD | 3 | 1,200 | 2.7% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 3 | 1,200 | 2.7% |
| PIPE NETWORKS PTY LIMITED | 2 | 1,100 | 2.4% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 1,100 | 2.4% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 2.2% |
| ADARGA PTY LTD | 1 | 100 | 0.2% |
| AGILE PTY LTD | 1 | 100 | 0.2% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 0.2% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 0.2% |
| LMGPS LTD | 1 | 100 | 0.2% |
| NETERA PTY LTD | 1 | 100 | 0.2% |
Number blocks registered for Gunnedah
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 |
|---|---|---|
| 0257058000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0257132000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0257156000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0257337000… | 1,000 | PIPE NETWORKS PTY LIMITED |
| 0257339500… | 100 | VIRTUTEL PTY LTD |
| 0257413100… | 100 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0257423700… | 100 | NETSIP PTY LTD |
| 0257435000… | 3,000 | OPTUS NETWORKS PTY LIMITED |
| 0257442900… | 100 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0257459900… | 100 | LMGPS LTD |
| 0257474100… | 100 | SYMBIO NETWORKS PTY LTD |
| 0257479100… | 100 | NETSIP PTY LTD |
| 0257545000… | 3,000 | SYMBIO NETWORKS PTY LTD |
| 0257616600… | 100 | CHECK TECHNOLOGY GROUP PTY LTD |
| 0257664200… | 100 | C2A INTERNET.COM.AU PTY. LTD. |
| 0257682800… | 100 | PIVOTEL SATELLITE PTY LIMITED |
| 0257695000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0257708400… | 100 | ADARGA PTY LTD |
Excerpt: the 18 lowest of 35 allocated blocks (source: ACMA register).
Check a number from Gunnedah
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.