Middlemount: landline numbers and carriers
Middlemount is one of the town-level numbering areas the ACMA register uses under area code 07 (QLD). The register lists 33 number blocks for it with about 17,200 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Middlemount 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 Middlemount
TELSTRA LIMITED holds the largest share here with 46.5% 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 | 5 | 8,000 | 46.5% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 11.6% |
| SYMBIO NETWORKS PTY LTD | 6 | 1,500 | 8.7% |
| PIPE NETWORKS PTY LIMITED | 2 | 1,100 | 6.4% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 1,100 | 6.4% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 5.8% |
| OPTUS NETWORKS PTY LIMITED | 1 | 1,000 | 5.8% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 3 | 300 | 1.7% |
| NETSIP PTY LTD | 2 | 200 | 1.2% |
| ADARGA PTY LTD | 1 | 100 | 0.6% |
| AGILE PTY LTD | 1 | 100 | 0.6% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 0.6% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 0.6% |
| LMGPS LTD | 1 | 100 | 0.6% |
| NETERA PTY LTD | 1 | 100 | 0.6% |
Number blocks registered for Middlemount
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 |
|---|---|---|
| 0748023300… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748027100… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0748027200… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748027400… | 100 | AGILE PTY LTD |
| 0748027500… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0748027600… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748027700… | 100 | PIPE NETWORKS PTY LIMITED |
| 0748027800… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0748027900… | 100 | SYMBIO NETWORKS PTY LTD |
| 0748051900… | 100 | VIRTUTEL PTY LTD |
| 0748065000… | 100 | NETSIP PTY LTD |
| 0748109000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0748268000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0748474000… | 1,000 | TELSTRA LIMITED |
| 0748551000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0748587600… | 100 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0748655200… | 100 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0748670000… | 100 | NETSIP PTY LTD |
Excerpt: the 18 lowest of 33 allocated blocks (source: ACMA register).
Check a number from Middlemount
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.