Allocations in the Australian numbering plan according to the ACMA register. The register names the holder of each range; individual numbers may have been ported and operate on another network today.
Source: ACMA register, data as of 31/08/2026
4,134landline blocks
2,100numbering areas with allocations
0mobile ranges
85,642smartnumbers held
On the fixed network, OPTUS NETWORKS PTY LIMITED's 4,134 blocks add up to about 14,458,500 numbers across 2,100 numbering areas — around 11.4% of all allocated geographic numbering in Australia. Block size comes from the allocation register; it doesn't say how many numbers are actually in service.
The numbering areas with the most allocated capacity
Sydney (02)2 392 900
Melbourne (03)1 890 100
Brisbane (07)1 086 000
Perth (08)631 500
Adelaide (08)565 000
Canberra (02)287 000
Parramatta (02)273 000
Blacktown (02)214 000
Dandenong (03)175 000
Clayton (03)164 500
Southport (07)145 300
Liverpool (02)135 100
Numbering areas with allocations for OPTUS NETWORKS PTY LIMITED (60 of 2,100)