| 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 |
| NA | Canada to UK troop convoys. |
| NA | Langemak Bay, New Guinea to Admiralty Islands. |
| NAP | A southbound series, mainly from Dover to France Dec 44. |
| NB | New Guinea to New Britain. |
| NC | Walvis Bay to Capetown 1943. |
| NCF | Fast Sicily invasion convoys 1943. |
| NCS | Slow Sicily invasion convoys 1943. |
| NE | New Zealand to Panama. |
| NG | New York City to Guantanamo. |
| NJ | Newfoundland coast to St John's NF. |
| NK | New York City to Key West. |
| NL | Labrador to St Lawrence. |
| NLY | Lingayen/Hollandia/Leyte convoys. |
| NP | Norwegian troop convoys Apr-May 1940. |
| NP | Turkey to Port Said. |
| NR | Norway to Methil, 1945. |
| NS | New Caledonia to Sydney NSW |
| NSF | North African ports to Naples, troop convoys. |
| NT | New Guinea to Townsville. |
| NV | Naples to Augusta. |
| NYC | New York City to UK via Bermuda & E Coast USA ports. |
Converted from the original by kind permission of Mrs. Gill Hague.