| Topic | Relevant Location | Description. |
| Fanning Island | Pacific Cable Station. | See Pacific Cable |
| Fatalities of War | Examples of the telegrams sent. | |
| Federation | New South Wales | Telegram from Premier of New Zealand to Premier of NSW concerning the result of the Federation referendum. |
| Fiji | Pacific Cable Station. | See Pacific Cable |
| Port Macdonnell, South Australia. |
Promotion of the Telegraph Master in S.A. to Chief Secretary, Fiji.. | |
| Financing telegraph line construction. | South Australia | Recurrent Budget allocation or Loan funds - line to Port Augusta. |
| Western Australia | The difficulties of the Colonial Governments requiring approval for expenditure (e.g. on railway and telegraph lines) from the Government in Downing Street, England. | |
| Fires | Bourke, NSW | |
| Broken Hill, NSW | ||
| Coolgardie, WA | October 1895 in Bayley Street | |
| Fire Brigades | Emerald Hill, Vic | Connection to the telegraph lines. |
| Flags to notify time. | Australia | Notifying a local community of a given time. |
| Fleming, James | Western Australia | First Superintendent of Telegraphs, WA. |
| Flying Doctor | Australian Inland Mission - wireless transmitter sets. | |
| Australian Inland Mission - Nurses marry bushmen. | ||
| Frank stamps | Victoria | Use on telegraph-related postal items. |
| Fraser, Malcolm | Canberra | Birthday Greetings to Miss Berry from P.M. Fraser. |
| Forms - telegram | All | Use to make private notes: to the milkman. |
| To record a life. | ||
| To record a happy occasion. |