Complete list of the phone numbers in Northam WA.
| From - To | Location | Network |
|---|---|---|
| 08 6600 6000 - 08 6600 6999 | Northam WA 6401 | Symbio Networks Pty Ltd |
| 08 6601 1600 - 08 6601 1699 | Northam WA 6401 | Virtutel Pty Ltd |
| 08 6607 1200 - 08 6607 1299 | Northam WA 6401 | Soul Pattinson Telecommunications Pty Limited |
| 08 6607 7800 - 08 6607 7899 | Northam WA 6401 | NetSIP Pty Ltd |
| 08 6608 0000 - 08 6608 0999 | Northam WA 6401 | AAPT Limited |
| 08 6609 1900 - 08 6609 1999 | Northam WA 6401 | Overload Transport Industries Pty. Ltd. |
| 08 6609 3800 - 08 6609 3899 | Northam WA 6401 | Net Intellect Pty Ltd |
| 08 6610 0300 - 08 6610 0399 | Northam WA 6401 | Emerge Internet Pty Ltd |
| 08 6610 6800 - 08 6610 6899 | Northam WA 6401 | Why Pay More 4 Less Pty Ltd |
| 08 6611 5300 - 08 6611 5399 | Northam WA 6401 | Style Telco Pty Ltd |
| 08 6661 2000 - 08 6661 2999 | Northam WA 6401 | Primus Telecommunications Pty Limited |
| 08 9615 3000 - 08 9615 5999 | Northam WA 6401 | IPTel Pty Limited |
| 08 9621 0000 - 08 9621 9999 | Northam WA 6401 | Telstra Corporation Limited |
| 08 9622 0000 - 08 9622 9999 | Northam WA 6401 | Telstra Corporation Limited |
| 08 9630 0000 - 08 9630 0999 | Northam WA 6401 | Engin Pty Limited |
| 08 9636 5000 - 08 9636 6999 | Northam WA 6401 | Optus Mobile Pty Limited |
| 08 9659 7000 - 08 9659 7999 | Northam WA 6401 | Optus Networks Pty Limited |
| 08 9670 3000 - 08 9670 3099 | Northam WA 6401 | Clarinet Australia Pty Ltd |
| 08 9670 3100 - 08 9670 3199 | Northam WA 6401 | Primus Telecommunications Pty Limited |
| 08 9670 3200 - 08 9670 3299 | Northam WA 6401 | Gotalk Limited |
| 08 9670 3300 - 08 9670 3399 | Northam WA 6401 | Redback Communications Pty Ltd |
| 08 9670 3400 - 08 9670 3499 | Northam WA 6401 | RSL COM Australia Pty Limited |
| 08 9670 3500 - 08 9670 3599 | Northam WA 6401 | Agile Pty Ltd |
| 08 9670 3600 - 08 9670 3699 | Northam WA 6401 | Primus Telecommunications Pty Limited |
| 08 9670 3700 - 08 9670 3799 | Northam WA 6401 | iVox Pty Ltd |
| 08 9670 3800 - 08 9670 3899 | Northam WA 6401 | AAPT Limited |
| 08 9690 1000 - 08 9690 2999 | Northam WA 6401 | Telstra Corporation Limited |
| 08 9696 5000 - 08 9696 5999 | Northam WA 6401 | Chime Communications Pty Ltd |