Complete list of the phone numbers in Colo Heights NSW.
| From - To | Location | Network |
|---|---|---|
| 02 4500 0000 - 02 4500 2999 | Colo Heights NSW 2756 | IPTel Pty Limited |
| 02 4500 9000 - 02 4500 9999 | Colo Heights NSW 2756 | Clarinet Australia Pty Ltd |
| 02 4502 0000 - 02 4502 0999 | Colo Heights NSW 2756 | Engin Pty Limited |
| 02 4502 5000 - 02 4502 5999 | Colo Heights NSW 2756 | Primus Telecommunications Pty Limited |
| 02 4503 0000 - 02 4503 0999 | Colo Heights NSW 2756 | Optus Networks Pty Limited |
| 02 4503 4000 - 02 4503 4999 | Colo Heights NSW 2756 | Redback Communications Pty Ltd |
| 02 4504 0000 - 02 4504 0999 | Colo Heights NSW 2756 | Gotalk Limited |
| 02 4504 4000 - 02 4504 4999 | Colo Heights NSW 2756 | Symbio Networks Pty Ltd |
| 02 4505 6000 - 02 4505 6999 | Colo Heights NSW 2756 | Primus Telecommunications Pty Limited |
| 02 4506 3000 - 02 4506 3999 | Colo Heights NSW 2756 | iVox Pty Ltd |
| 02 4506 7000 - 02 4506 7999 | Colo Heights NSW 2756 | AAPT Limited |
| 02 4506 9000 - 02 4506 9999 | Colo Heights NSW 2756 | Virtutel Pty Ltd |
| 02 4507 6000 - 02 4507 6999 | Colo Heights NSW 2756 | Soul Pattinson Telecommunications Pty Limited |
| 02 4508 1000 - 02 4508 1999 | Colo Heights NSW 2756 | NetSIP Pty Ltd |
| 02 4508 8000 - 02 4508 8999 | Colo Heights NSW 2756 | Net Intellect Pty Ltd |
| 02 4509 1000 - 02 4509 1999 | Colo Heights NSW 2756 | Overload Transport Industries Pty. Ltd. |
| 02 4509 8000 - 02 4509 8999 | Colo Heights NSW 2756 | Emerge Internet Pty Ltd |
| 02 4510 3000 - 02 4510 3999 | Colo Heights NSW 2756 | Why Pay More 4 Less Pty Ltd |
| 02 4510 8000 - 02 4510 8999 | Colo Heights NSW 2756 | Style Telco Pty Ltd |
| 02 4560 8000 - 02 4560 8999 | Colo Heights NSW 2756 | Telstra Corporation Limited |
| 02 4561 4000 - 02 4561 5999 | Colo Heights NSW 2756 | Optus Mobile Pty Limited |
| 02 4565 0000 - 02 4565 9999 | Colo Heights NSW 2756 | Telstra Corporation Limited |
| 02 4589 0000 - 02 4589 0999 | Colo Heights NSW 2756 | Chime Communications Pty Ltd |