Spearwood: landline numbers and carriers
Spearwood is one of the town-level numbering areas the ACMA register uses under area code 08 (SA, WA & NT). The register lists 69 number blocks for it with about 298,400 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Spearwood 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 Spearwood
TELSTRA LIMITED holds the largest share here with 58.6% 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 | 23 | 175,000 | 58.6% |
| OPTUS NETWORKS PTY LIMITED | 7 | 29,000 | 9.7% |
| OPTUS MOBILE PTY LIMITED | 4 | 22,000 | 7.4% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 4 | 17,000 | 5.7% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 4 | 13,000 | 4.4% |
| PIPE NETWORKS PTY LIMITED | 6 | 12,400 | 4.2% |
| CHIME COMMUNICATIONS PTY LTD | 2 | 11,000 | 3.7% |
| SYMBIO NETWORKS PTY LTD | 7 | 7,000 | 2.3% |
| NETSIP PTY LTD | 2 | 2,000 | 0.7% |
| ADARGA PTY LTD | 1 | 1,000 | 0.3% |
| AGILE PTY LTD | 1 | 1,000 | 0.3% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.3% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 0.3% |
| LMGPS LTD | 1 | 1,000 | 0.3% |
| NETERA PTY LTD | 1 | 1,000 | 0.3% |
Number blocks registered for Spearwood
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 |
|---|---|---|
| 0861702000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0861703000… | 1,000 | VIRTUTEL PTY LTD |
| 0861705000… | 1,000 | NETSIP PTY LTD |
| 0861707000… | 1,000 | ADARGA PTY LTD |
| 0861709000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0861711000… | 1,000 | WHY PAY MORE 4 LESS PTY LTD |
| 0861713000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0861714000… | 3,000 | OPTUS NETWORKS PTY LIMITED |
| 0861717000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0861720000… | 10,000 | TELSTRA LIMITED |
| 0861730000… | 1,000 | NETSIP PTY LTD |
| 0861732000… | 1,000 | CHECK TECHNOLOGY GROUP PTY LTD |
| 0861734000… | 1,000 | C2A INTERNET.COM.AU PTY. LTD. |
| 0861736000… | 6,000 | TELSTRA LIMITED |
| 0861742000… | 2,000 | TELSTRA LIMITED |
| 0861744000… | 2,000 | TELSTRA LIMITED |
| 0861746000… | 4,000 | TELSTRA LIMITED |
| 0861750000… | 1,000 | LMGPS LTD |
Excerpt: the 18 lowest of 69 allocated blocks (source: ACMA register).
Check a number from Spearwood
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.