Mount Gambier: landline numbers and carriers
Mount Gambier is one of the town-level numbering areas the ACMA register uses under area code 08 (SA, WA & NT). The register lists 49 number blocks for it with about 107,000 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Mount Gambier 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 Gambier
TELSTRA LIMITED holds the largest share here with 53.3% 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 | 7 | 57,000 | 53.3% |
| SYMBIO NETWORKS PTY LTD | 9 | 9,000 | 8.4% |
| OPTUS NETWORKS PTY LIMITED | 6 | 8,000 | 7.5% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 5 | 6,000 | 5.6% |
| PIPE NETWORKS PTY LIMITED | 2 | 4,000 | 3.7% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 4,000 | 3.7% |
| NETERA PTY LTD | 3 | 3,000 | 2.8% |
| AGILE PTY LTD | 2 | 2,000 | 1.9% |
| CHIME COMMUNICATIONS PTY LTD | 2 | 2,000 | 1.9% |
| NETSIP PTY LTD | 2 | 2,000 | 1.9% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 1.9% |
| ADARGA PTY LTD | 1 | 1,000 | 0.9% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.9% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 0.9% |
| LMGPS LTD | 1 | 1,000 | 0.9% |
Number blocks registered for Mount Gambier
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 |
|---|---|---|
| 0877019000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0877042000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0877043000… | 3,000 | OPTUS NETWORKS PTY LIMITED |
| 0877068000… | 1,000 | VIRTUTEL PTY LTD |
| 0877109000… | 1,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0877150000… | 1,000 | NETSIP PTY LTD |
| 0877169000… | 2,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0877193000… | 1,000 | ADARGA PTY LTD |
| 0877232000… | 2,000 | TELSTRA LIMITED |
| 0877234000… | 1,000 | THE TRUSTEE FOR READING FAMILY TRUST |
| 0877253000… | 7,000 | TELSTRA LIMITED |
| 0877325000… | 1,000 | WHY PAY MORE 4 LESS PTY LTD |
| 0877344000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0877349000… | 1,000 | NETSIP PTY LTD |
| 0877350000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0877398000… | 2,000 | TELSTRA LIMITED |
| 0877437000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0877474000… | 1,000 | CHECK TECHNOLOGY GROUP PTY LTD |
Excerpt: the 18 lowest of 49 allocated blocks (source: ACMA register).
Check a number from Mount Gambier
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.