Kalamunda: landline numbers and carriers
Kalamunda is one of the town-level numbering areas the ACMA register uses under area code 08 (SA, WA & NT). The register lists 48 number blocks for it with about 233,500 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Kalamunda 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 Kalamunda
TELSTRA LIMITED holds the largest share here with 48.4% 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 | 9 | 113,000 | 48.4% |
| OPTUS MOBILE PTY LIMITED | 4 | 22,000 | 9.4% |
| OPTUS NETWORKS PTY LIMITED | 5 | 21,500 | 9.2% |
| PIPE NETWORKS PTY LIMITED | 3 | 21,000 | 9% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 3 | 14,000 | 6% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 4 | 13,000 | 5.6% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 10,000 | 4.3% |
| SYMBIO NETWORKS PTY LTD | 7 | 7,000 | 3% |
| NETSIP PTY LTD | 2 | 2,000 | 0.9% |
| ADARGA PTY LTD | 1 | 1,000 | 0.4% |
| AGILE PTY LTD | 1 | 1,000 | 0.4% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.4% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 0.4% |
| LMGPS LTD | 1 | 1,000 | 0.4% |
| NETERA PTY LTD | 1 | 1,000 | 0.4% |
Number blocks registered for Kalamunda
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 |
|---|---|---|
| 0861922000… | 1,000 | PIPE NETWORKS PTY LIMITED |
| 0861924000… | 1,000 | TELSTRA LIMITED |
| 0861927000… | 1,000 | OPTUS MOBILE PTY LIMITED |
| 0861932000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0861935000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0861938000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0861972000… | 1,000 | OPTUS MOBILE PTY LIMITED |
| 0861980000… | 10,000 | OPTUS MOBILE PTY LIMITED |
| 0862920000… | 10,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0862930000… | 10,000 | TELSTRA LIMITED |
| 0862980000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0862982500… | 7,500 | OPTUS NETWORKS PTY LIMITED |
| 0862990000… | 10,000 | PIPE NETWORKS PTY LIMITED |
| 0863614000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0863900000… | 10,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0863940000… | 10,000 | CHIME COMMUNICATIONS PTY LTD |
| 0864690000… | 10,000 | OPTUS NETWORKS PTY LIMITED |
| 0864902000… | 1,000 | AGILE PTY LTD |
Excerpt: the 18 lowest of 48 allocated blocks (source: ACMA register).
Check a number from Kalamunda
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.