Complete list of the phone numbers in Mount Helena WA.
| From - To | Location | Network |
|---|---|---|
| 08 9504 6000 - 08 9504 8999 | Mount Helena WA 6082 | IPTel Pty Limited |
| 08 9506 9000 - 08 9506 9999 | Mount Helena WA 6082 | Engin Pty Limited |
| 08 9508 5000 - 08 9508 5999 | Mount Helena WA 6082 | Clarinet Australia Pty Ltd |
| 08 9510 3000 - 08 9510 3999 | Mount Helena WA 6082 | Primus Telecommunications Pty Limited |
| 08 9512 1000 - 08 9512 1999 | Mount Helena WA 6082 | Optus Networks Pty Limited |
| 08 9513 8000 - 08 9513 8999 | Mount Helena WA 6082 | Gotalk Limited |
| 08 9515 1000 - 08 9515 1999 | Mount Helena WA 6082 | Redback Communications Pty Ltd |
| 08 9516 8000 - 08 9516 8999 | Mount Helena WA 6082 | Agile Pty Ltd |
| 08 9519 0000 - 08 9519 9999 | Mount Helena WA 6082 | Telstra Corporation Limited |
| 08 9536 0000 - 08 9536 1999 | Mount Helena WA 6082 | Optus Mobile Pty Limited |
| 08 9539 1000 - 08 9539 1999 | Mount Helena WA 6082 | Primus Telecommunications Pty Limited |
| 08 9541 5000 - 08 9541 5999 | Mount Helena WA 6082 | iVox Pty Ltd |
| 08 9543 3000 - 08 9543 3999 | Mount Helena WA 6082 | AAPT Limited |
| 08 9545 3000 - 08 9545 3999 | Mount Helena WA 6082 | Virtutel Pty Ltd |
| 08 9546 8000 - 08 9546 8999 | Mount Helena WA 6082 | Soul Pattinson Telecommunications Pty Limited |
| 08 9548 4000 - 08 9548 4999 | Mount Helena WA 6082 | NetSIP Pty Ltd |
| 08 9549 9000 - 08 9549 9999 | Mount Helena WA 6082 | Net Intellect Pty Ltd |
| 08 9551 4000 - 08 9551 4999 | Mount Helena WA 6082 | RSL COM Australia Pty Limited |
| 08 9558 3000 - 08 9558 3999 | Mount Helena WA 6082 | Overload Transport Industries Pty. Ltd. |
| 08 9563 8000 - 08 9563 8999 | Mount Helena WA 6082 | Emerge Internet Pty Ltd |
| 08 9565 3000 - 08 9565 3999 | Mount Helena WA 6082 | Why Pay More 4 Less Pty Ltd |
| 08 9566 9000 - 08 9566 9999 | Mount Helena WA 6082 | Style Telco Pty Ltd |
| 08 9572 0000 - 08 9572 8999 | Mount Helena WA 6082 | Telstra Corporation Limited |
| 08 9573 0000 - 08 9573 9999 | Mount Helena WA 6082 | Telstra Corporation Limited |
| 08 9579 7000 - 08 9579 9999 | Mount Helena WA 6082 | Optus Networks Pty Limited |
| 08 9594 9000 - 08 9594 9999 | Mount Helena WA 6082 | Chime Communications Pty Ltd |
