Mount Gardiner: landline numbers and carriers
Mount Gardiner is one of the town-level numbering areas the ACMA register uses under area code 07 (QLD). The register lists 27 number blocks for it with about 10,000 allocated numbers, held by 18 carriers. A landline that calls you from one of these blocks was issued for the Mount Gardiner 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 Mount Gardiner
Mount Gardiner is spread across carriers: OPTUS MOBILE PTY LIMITED leads with 20% of allocated numbers, and 18 carriers hold blocks in total. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 20% |
| TELSTRA LIMITED | 2 | 2,000 | 20% |
| SYMBIO NETWORKS PTY LTD | 6 | 1,500 | 15% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 3 | 1,200 | 12% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 10% |
| OPTUS NETWORKS PTY LIMITED | 1 | 1,000 | 10% |
| NETSIP PTY LTD | 2 | 200 | 2% |
| ADARGA PTY LTD | 1 | 100 | 1% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 1% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 1% |
| LMGPS LTD | 1 | 100 | 1% |
| NETERA PTY LTD | 1 | 100 | 1% |
| PIPE NETWORKS PTY LIMITED | 1 | 100 | 1% |
| PIVOTEL SATELLITE PTY LIMITED | 1 | 100 | 1% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 1 | 100 | 1% |
Number blocks registered for Mount Gardiner
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 |
|---|---|---|
| 0748025300… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748055900… | 100 | VIRTUTEL PTY LTD |
| 0748067000… | 100 | NETSIP PTY LTD |
| 0748074100… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0748074200… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748074400… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748074500… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0748074600… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748074700… | 100 | PIPE NETWORKS PTY LIMITED |
| 0748154000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0748312000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0748359000… | 1,000 | TELSTRA LIMITED |
| 0748555000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0748588000… | 100 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0748655600… | 100 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0748670400… | 100 | NETSIP PTY LTD |
| 0748684700… | 100 | ADARGA PTY LTD |
| 0748704000… | 100 | WHY PAY MORE 4 LESS PTY LTD |
Excerpt: the 18 lowest of 27 allocated blocks (source: ACMA register).
Check a number from Mount Gardiner
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.