Guilderton: landline numbers and carriers
Guilderton is one of the town-level numbering areas the ACMA register uses under area code 08 (SA, WA & NT). The register lists 27 number blocks for it with about 39,000 allocated numbers, held by 18 carriers. A landline that calls you from one of these blocks was issued for the Guilderton 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 Guilderton
Guilderton is spread across carriers: TELSTRA LIMITED leads with 25.6% 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 |
|---|---|---|---|
| TELSTRA LIMITED | 1 | 10,000 | 25.6% |
| SYMBIO NETWORKS PTY LTD | 6 | 6,000 | 15.4% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 2 | 4,000 | 10.3% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 3 | 3,000 | 7.7% |
| NETSIP PTY LTD | 2 | 2,000 | 5.1% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 5.1% |
| ADARGA PTY LTD | 1 | 1,000 | 2.6% |
| AGILE PTY LTD | 1 | 1,000 | 2.6% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 2.6% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 2.6% |
| CHIME COMMUNICATIONS PTY LTD | 1 | 1,000 | 2.6% |
| LMGPS LTD | 1 | 1,000 | 2.6% |
| NETERA PTY LTD | 1 | 1,000 | 2.6% |
| OPTUS NETWORKS PTY LIMITED | 1 | 1,000 | 2.6% |
| PIPE NETWORKS PTY LIMITED | 1 | 1,000 | 2.6% |
Number blocks registered for Guilderton
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 |
|---|---|---|
| 0855007000… | 1,000 | ADARGA PTY LTD |
| 0855022000… | 1,000 | NETERA PTY LTD |
| 0855037000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0895043000… | 3,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0895068000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0895095000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0895102000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0895120000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0895137000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0895149000… | 1,000 | NETSIP PTY LTD |
| 0895158000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0895167000… | 1,000 | AGILE PTY LTD |
| 0895323000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0895405000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0895408000… | 1,000 | PIPE NETWORKS PTY LIMITED |
| 0895451000… | 1,000 | VIRTUTEL PTY LTD |
| 0895466000… | 1,000 | SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED |
| 0895482000… | 1,000 | NETSIP PTY LTD |
Excerpt: the 18 lowest of 27 allocated blocks (source: ACMA register).
Check a number from Guilderton
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.