Hobart: landline numbers and carriers
Hobart is one of the town-level numbering areas the ACMA register uses under area code 03 (VIC & TAS). The register lists 122 number blocks for it with about 796,000 allocated numbers, held by 19 carriers. A landline that calls you from one of these blocks was issued for the Hobart 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 Hobart
TELSTRA LIMITED holds the largest share here with 59.2% 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 | 27 | 471,000 | 59.2% |
| SYMBIO NETWORKS PTY LTD | 25 | 132,300 | 16.6% |
| OPTUS NETWORKS PTY LIMITED | 17 | 74,700 | 9.4% |
| PRIMUS TELECOMMUNICATIONS PTY LIMITED | 13 | 33,000 | 4.1% |
| PIPE NETWORKS PTY LIMITED | 3 | 21,000 | 2.6% |
| NETSIP PTY LTD | 11 | 17,000 | 2.1% |
| SOUL PATTINSON TELECOMMUNICATIONS PTY LIMITED | 3 | 16,000 | 2% |
| CHIME COMMUNICATIONS PTY LTD | 8 | 12,000 | 1.5% |
| AGILE PTY LTD | 4 | 6,000 | 0.8% |
| NETERA PTY LTD | 2 | 2,000 | 0.3% |
| OPTUS MOBILE PTY LIMITED | 1 | 2,000 | 0.3% |
| TWILIO AUSTRALIA PTY LTD | 1 | 2,000 | 0.3% |
| ADARGA PTY LTD | 1 | 1,000 | 0.1% |
| C2A INTERNET.COM.AU PTY. LTD. | 1 | 1,000 | 0.1% |
| CHECK TECHNOLOGY GROUP PTY LTD | 1 | 1,000 | 0.1% |
Number blocks registered for Hobart
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 |
|---|---|---|
| 0361050000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361079000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361080000… | 2,100 | OPTUS NETWORKS PTY LIMITED |
| 0361082100… | 600 | SYMBIO NETWORKS PTY LTD |
| 0361082700… | 7,300 | OPTUS NETWORKS PTY LIMITED |
| 0361094000… | 2,000 | OPTUS MOBILE PTY LIMITED |
| 0361108000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0361109000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361110000… | 10,000 | OPTUS NETWORKS PTY LIMITED |
| 0361182000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0361184000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361214000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361220000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361221000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
| 0361242000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0361283000… | 1,000 | SYMBIO NETWORKS PTY LTD |
| 0361348000… | 1,000 | PRIMUS TELECOMMUNICATIONS PTY LIMITED |
| 0361349000… | 1,000 | OPTUS NETWORKS PTY LIMITED |
Excerpt: the 18 lowest of 122 allocated blocks (source: ACMA register).
Check a number from Hobart
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.