Terrey Hills: landline numbers and carriers
Terrey Hills is one of the town-level numbering areas the ACMA register uses under area code 02 (NSW & ACT). The register lists 73 number blocks for it with about 542,000 allocated numbers, held by 22 carriers. A landline that calls you from one of these blocks was issued for the Terrey Hills 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 Terrey Hills
TELSTRA LIMITED holds the largest share here with 54.6% of allocated numbers — with 21 other carriers alongside. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| TELSTRA LIMITED | 20 | 296,000 | 54.6% |
| OPTUS NETWORKS PTY LIMITED | 11 | 86,000 | 15.9% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 4 | 36,000 | 6.6% |
| SYMBIO NETWORKS PTY LTD | 9 | 27,000 | 5% |
| OPTUS MOBILE PTY LIMITED | 4 | 22,000 | 4.1% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 5 | 17,000 | 3.1% |
| PIPE NETWORKS PTY LIMITED | 3 | 14,000 | 2.6% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 10,000 | 1.8% |
| PIPE INTERNATIONAL (AUSTRALIA) PTY LTD | 1 | 10,000 | 1.8% |
| TPG TELECOM LIMITED | 1 | 10,000 | 1.8% |
| NETSIP PTY LTD | 2 | 2,000 | 0.4% |
| VIRTUTEL PTY LTD | 2 | 2,000 | 0.4% |
| ADARGA PTY LTD | 1 | 1,000 | 0.2% |
| AGILE PTY LTD | 1 | 1,000 | 0.2% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.2% |
Number blocks registered for Terrey Hills
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 |
|---|---|---|
| 0284010000… | 10,000 | OPTUS NETWORKS PTY LIMITED |
| 0284032000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0284035000… | 1,000 | OPTUS MOBILE PTY LIMITED |
| 0284039000… | 1,000 | OPTUS MOBILE PTY LIMITED |
| 0284060000… | 10,000 | OPTUS MOBILE PTY LIMITED |
| 0284070000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0284076000… | 1,000 | AGILE PTY LTD |
| 0284079000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0284110000… | 10,000 | OPTUS NETWORKS PTY LIMITED |
| 0284153000… | 3,000 | OPTUS NETWORKS PTY LIMITED |
| 0284170000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0284173000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0284174000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0284178000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0284180000… | 1,000 | VIRTUTEL PTY LTD |
| 0284184000… | 1,000 | VIRTUTEL PTY LTD |
| 0284187000… | 1,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0284190000… | 1,000 | NETSIP PTY LTD |
Excerpt: the 18 lowest of 73 allocated blocks (source: ACMA register).
Check a number from Terrey Hills
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.