Tamworth: landline numbers and carriers
Tamworth is one of the town-level numbering areas the ACMA register uses under area code 02 (NSW & ACT). The register lists 67 number blocks for it with about 163,900 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Tamworth 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 Tamworth
TELSTRA LIMITED holds the largest share here with 67.1% of allocated numbers — with 18 other carriers alongside. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| TELSTRA LIMITED | 17 | 110,000 | 67.1% |
| OPTUS NETWORKS PTY LIMITED | 7 | 11,100 | 6.8% |
| PIPE INTERNATIONAL (AUSTRALIA) PTY LTD | 1 | 10,000 | 6.1% |
| SYMBIO NETWORKS PTY LTD | 11 | 7,400 | 4.5% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 4 | 7,100 | 4.3% |
| PIPE NETWORKS PTY LIMITED | 3 | 5,000 | 3.1% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 6 | 4,200 | 2.6% |
| NETSIP PTY LTD | 4 | 2,200 | 1.3% |
| AGILE PTY LTD | 3 | 2,100 | 1.3% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 1.2% |
| VIRTUTEL PTY LTD | 2 | 1,100 | 0.7% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 0.6% |
| ADARGA PTY LTD | 1 | 100 | 0.1% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 0.1% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 0.1% |
Number blocks registered for Tamworth
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 |
|---|---|---|
| 0257004700… | 100 | OPTUS NETWORKS PTY LIMITED |
| 0257015100… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0257015200… | 100 | SYMBIO NETWORKS PTY LTD |
| 0257015400… | 100 | AGILE PTY LTD |
| 0257015500… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0257015600… | 100 | SYMBIO NETWORKS PTY LTD |
| 0257111000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0257120000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0257122000… | 2,000 | OPTUS NETWORKS PTY LIMITED |
| 0257124000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0257129000… | 1,000 | TELSTRA LIMITED |
| 0257135000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0257190000… | 2,000 | OPTUS NETWORKS PTY LIMITED |
| 0257318000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0257323000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0257325000… | 1,000 | PIPE NETWORKS PTY LIMITED |
| 0257328000… | 1,000 | TELSTRA LIMITED |
| 0257334000… | 1,000 | SYMBIO NETWORKS PTY LTD |
Excerpt: the 18 lowest of 67 allocated blocks (source: ACMA register).
Check a number from Tamworth
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.