| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Code |
Notes |
| PA | Persian Gulf to Aden. |
| PAD | Pointe Noire-Freetown-Dakar. |
| PB | Persian Gulf to Bombay. |
| PG | Brisbane to Sydney NSW. |
| PG | Panama to Guantanamo, 1942 series. |
| PGE | Pointe Noire southward, local traffic. |
| PH | Piraeus to Heel of Italy. |
| PK | Pilottown, Mississippi to Key West. |
| PN | Port Said Northbound to Turkey. |
| PQ | Iceland to North Russia, 1941 and 1942. |
| PQ | Townsville to Port Moresby 1942. |
| PR | Piraeus to Rabbit Island (Dardanelles), 1945. |
| PT | Paramaribo to Trinidad. |
| PT | Pearl Harbor to Tarawa. |
| PTS | Pointe Noire-Takoradi-Freetown. |
| PV | Melbourne to Townsville. |
| PW | Portsmouth-Wales. |
Converted from the original by kind permission of Mrs. Gill Hague.