| Pacific Cable | Bamfield | |
| Bondi, NSW. | ||
| Fanning Island. | ||
| Fiji | ||
| Parrish, Jonathan | Western Australia | Overseer of the Albany-Eucla telegraph line. |
| Phonograms | Australia | |
| Pigeons | South Australia | Yorke Peninsula - Althorpe Island to Semaphore. |
| Poetry | Australia | I hear you calling me - the Urgent Telegram ballad. |
| Pneumatic tubes | Victoria | Used for expediting telegram messages amongst CBD stations. |
| Politics (also see below for Prime Ministers) |
New South Wales | Telegram from Premier of New Zealand to Premier of NSW concerning the result of the Federation referendum. |
| Australia | Telegram from Stan Davey to Prime Minister Harold Holt regarding 1967 referendum. | |
| Porterage costs | Colonial | |
| Commonwealth period | Regulations, notification and forms | |
| Postage stamps | Australia | For prepayment of telegram rates |
| New South Wales | ||
| Queensland | ||
| South Australia | ||
| Tasmania | ||
| Victoria | ||
| Western Australia | ||
| Postal Notes | Queensland | Use of a postal note for a transmission form. |
| Postcards | Miscellaneous | Humorous situations involving telegrams. |
| Postmarks - slogans | Australia | Slogans advertising telegrams. |
| Pre-paid telegrams | Australia | Types of service, regulations and forms. |
| Press Telegrams | Australia | Overview and introduction. |
| Price, Charles Denvers | Western Australia | Responsible for the construction of the Albany-Eucla telegraph line. |
| Prisoner of War | See Cable & Wireless form IAC-DO-3B. | |
| Private ownership of the telegraph. | Victoria | McGowan and his change to the Goverment. |
| South Australia | ||
| Western Australia | W.A. Telegraph Company and the Electro-Magnetic Telegraph Company. | |
| United States | Death to Monopoly. Harper's Weekly 1881. | |
| Australia | AWA and the Coastal Radio and Beam operations. | |
| Prime Ministers | Australia | Telegrams sent from/to Prime Ministers. |
| Australia | Telegram to Menzies: Mrs Petrov being abducted. | |
| Letter sent by Dame Nellie Melba to Rt. Hon. Billy Hughes. | ||
| Problems with delivery | Messengers | Rare example of an inquiry into a delivery problem. |
| Punctures | Australia | Defacing stamps paying telegram rates. |
| Western Australia | Imperial punctures | |