Gulf (Ext): landline numbers and carriers
Gulf (Ext) is one of the town-level numbering areas the ACMA register uses under area code 07 (QLD). The register lists 31 number blocks for it with about 16,000 allocated numbers, held by 17 carriers. A landline that calls you from one of these blocks was issued for the Gulf (Ext) 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 Gulf (Ext)
Gulf (Ext) is spread across carriers: TELSTRA LIMITED leads with 37.5% of allocated numbers, and 17 carriers hold blocks in total. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| TELSTRA LIMITED | 5 | 6,000 | 37.5% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 3,100 | 19.4% |
| SYMBIO NETWORKS PTY LTD | 7 | 2,500 | 15.6% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 3 | 1,200 | 7.5% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 6.3% |
| OPTUS NETWORKS PTY LIMITED | 1 | 1,000 | 6.3% |
| NETSIP PTY LTD | 2 | 200 | 1.3% |
| ADARGA 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% |
| PIPE NETWORKS PTY LIMITED | 1 | 100 | 0.6% |
| PIVOTEL SATELLITE PTY LIMITED | 1 | 100 | 0.6% |
| THE TRUSTEE FOR READING FAMILY TRUST | 1 | 100 | 0.6% |
Number blocks registered for Gulf (Ext)
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 |
|---|---|---|
| 0744008000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0744140200… | 100 | VIRTUTEL PTY LTD |
| 0744156000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0744189500… | 100 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0744194800… | 100 | NETSIP PTY LTD |
| 0744255400… | 100 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0744260400… | 100 | ADARGA PTY LTD |
| 0744290000… | 100 | WHY PAY MORE 4 LESS PTY LTD |
| 0744298000… | 100 | SYMBIO NETWORKS PTY LTD |
| 0744401300… | 100 | NETSIP PTY LTD |
| 0744407900… | 100 | CHECK TECHNOLOGY GROUP PTY LTD |
| 0744426000… | 1,000 | TELSTRA LIMITED |
| 0744536200… | 100 | C2A INTERNET.COM.AU PTY. LTD. |
| 0744545500… | 100 | LMGPS LTD |
| 0744564800… | 100 | PIVOTEL SATELLITE PTY LIMITED |
| 0744571000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0744582100… | 100 | NETERA PTY LTD |
| 0744596400… | 100 | SYMBIO NETWORKS PTY LTD |
Excerpt: the 18 lowest of 31 allocated blocks (source: ACMA register).
Check a number from Gulf (Ext)
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.