| Pa | Navigation service of the Seine |
| Li | Navigation Service of the North - Pas-de-Calais |
| Sg | Service navigation de Strasbourg |
| Ly | Service navigation Rhône-Saône |
| TO | Service navigation de Toulouse |
| Nt | Departmental Directorate of Equipment of the Loire-Atlantique |
| Ajaccio | Aj | Fécamp | Fc | Rouen | Ro |
| Arcachon | Ac | La Rochelle | Lr | Brieuc | Sb |
| Audierne | Ad | Le Guilvinec | Gv | Malo | Sm |
| Auray | Ay | Le Havre | Lh | Nazaire | Sn |
| Bayonne | Ba | Les Sables d'Olonne | Ls | Sète | St |
| Bastia | Bi | Lorient | Lo | Toulon | Tl |
| Boulogne-sur-Mer | Bl | Marennes | Minutes | Valves | Will |
| Bordeaux | Bx | Marseille | My | Yeu | Ye |
| Brest | Br | Martigues | Mt | Cayenne | Cy |
| Caen | Cn | Morlaix | Mx | Fort-de-France | Ff |
| Camaret | Cm | Nantes | Na | Point-to-Pitre | Pp |
| Cherbourg | C | Nice | Or | Reunion | Ru |
| Concarneau | Cc | Noirmoutier | № | Dzaoudzi | Di |
| Dieppe | Dp | Oléron | Io | St. Bartholomew's Day | BY |
| Douarnenez | Dz | Paimpol | Pl | Saint-Pierre-et-Miquelon | Sp |
| Dunkirk | Dk | Port-Vendres | Pv |