Notering byer (11 sted (er)). Velg byen for å se postnummeret (s):
| Orainville (1) Oresmaux (1) Orgeval (1) Origny-en-Thiérache (1) Origny-Sainte-Benoite (1) Ormoy-le-Davien (1) | Ormoy-Villers (1) Oroër (1) Orrouy (1) Orry-la-Ville (1) Orvillers-Sorel (1) |
