Geraldton: landline numbers and carriers
Geraldton is one of the town-level numbering areas the ACMA register uses under area code 08 (SA, WA & NT). The register lists 63 number blocks for it with about 113,700 allocated numbers, held by 18 carriers. A landline that calls you from one of these blocks was issued for the Geraldton 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 Geraldton
TELSTRA LIMITED holds the largest share here with 59.6% of allocated numbers — with 17 other carriers alongside. The register names the range holder; individual numbers may operate on another network after porting.
| Carrier | Blocks | Numbers | Share |
|---|---|---|---|
| TELSTRA LIMITED | 17 | 67,800 | 59.6% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 9 | 13,200 | 11.6% |
| OPTUS NETWORKS PTY LIMITED | 7 | 12,100 | 10.6% |
| SYMBIO NETWORKS PTY LTD | 8 | 4,400 | 3.9% |
| CHIME COMMUNICATIONS PTY LTD | 4 | 4,000 | 3.5% |
| PIPE NETWORKS PTY LIMITED | 2 | 4,000 | 3.5% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 3,100 | 2.7% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 1.8% |
| NETSIP PTY LTD | 3 | 1,200 | 1.1% |
| NETERA PTY LTD | 2 | 1,100 | 1% |
| ADARGA PTY LTD | 1 | 100 | 0.1% |
| AGILE PTY LTD | 1 | 100 | 0.1% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 100 | 0.1% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 100 | 0.1% |
| LMGPS LTD | 1 | 100 | 0.1% |
Number blocks registered for Geraldton
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 |
|---|---|---|
| 0899009900… | 100 | OPTUS NETWORKS PTY LIMITED |
| 0899046000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0899049000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0899180000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0899200000… | 1,000 | TELSTRA LIMITED |
| 0899204000… | 1,000 | TELSTRA LIMITED |
| 0899207000… | 13,000 | TELSTRA LIMITED |
| 0899220000… | 1,000 | CHIME COMMUNICATIONS PTY LTD |
| 0899230000… | 10,000 | TELSTRA LIMITED |
| 0899245000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0899246000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0899269000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0899303300… | 100 | SYMBIO NETWORKS PTY LTD |
| 0899304800… | 100 | VIRTUTEL PTY LTD |
| 0899326100… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0899326200… | 100 | AGILE PTY LTD |
| 0899326400… | 100 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0899326500… | 100 | SYMBIO NETWORKS PTY LTD |
Excerpt: the 18 lowest of 63 allocated blocks (source: ACMA register).
Check a number from Geraldton
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.