Complete list of the phone numbers in Guilderton WA.
| From - To | Location | Network |
|---|---|---|
| 08 9504 3000 - 08 9504 5999 | Guilderton WA 6041 | IPTel Pty Limited |
| 08 9506 8000 - 08 9506 8999 | Guilderton WA 6041 | Engin Pty Limited |
| 08 9508 4000 - 08 9508 4999 | Guilderton WA 6041 | Clarinet Australia Pty Ltd |
| 08 9510 2000 - 08 9510 2999 | Guilderton WA 6041 | Primus Telecommunications Pty Limited |
| 08 9512 0000 - 08 9512 0999 | Guilderton WA 6041 | Optus Networks Pty Limited |
| 08 9513 7000 - 08 9513 7999 | Guilderton WA 6041 | Gotalk Limited |
| 08 9515 0000 - 08 9515 0999 | Guilderton WA 6041 | Redback Communications Pty Ltd |
| 08 9516 7000 - 08 9516 7999 | Guilderton WA 6041 | Agile Pty Ltd |
| 08 9532 3000 - 08 9532 3999 | Guilderton WA 6041 | Primus Telecommunications Pty Limited |
| 08 9540 5000 - 08 9540 5999 | Guilderton WA 6041 | iVox Pty Ltd |
| 08 9540 8000 - 08 9540 8999 | Guilderton WA 6041 | AAPT Limited |
| 08 9545 1000 - 08 9545 1999 | Guilderton WA 6041 | Virtutel Pty Ltd |
| 08 9546 6000 - 08 9546 6999 | Guilderton WA 6041 | Soul Pattinson Telecommunications Pty Limited |
| 08 9548 2000 - 08 9548 2999 | Guilderton WA 6041 | NetSIP Pty Ltd |
| 08 9549 7000 - 08 9549 7999 | Guilderton WA 6041 | Net Intellect Pty Ltd |
| 08 9551 6000 - 08 9551 6999 | Guilderton WA 6041 | RSL COM Australia Pty Limited |
| 08 9552 2000 - 08 9552 3999 | Guilderton WA 6041 | Optus Mobile Pty Limited |
| 08 9558 1000 - 08 9558 1999 | Guilderton WA 6041 | Overload Transport Industries Pty. Ltd. |
| 08 9563 6000 - 08 9563 6999 | Guilderton WA 6041 | Emerge Internet Pty Ltd |
| 08 9565 1000 - 08 9565 1999 | Guilderton WA 6041 | Why Pay More 4 Less Pty Ltd |
| 08 9566 7000 - 08 9566 7999 | Guilderton WA 6041 | Style Telco Pty Ltd |
| 08 9577 0000 - 08 9577 9999 | Guilderton WA 6041 | Telstra Corporation Limited |
| 08 9594 8000 - 08 9594 8999 | Guilderton WA 6041 | Chime Communications Pty Ltd |