| Hellean (56120) | - | - |
| Hennebont (56700) | - | - |
| Hennebont Cedex (56701) | - | - |
| Hennebont Cedex (56702) | - | - |
| Hennebont Cedex (56703) | - | - |
| Hennebont Cedex (56704) | - | - |
| Hennebont Cedex (56705) | - | - |
| Hennebont Cedex (56706) | - | - |
| Hennebont Cedex (56707) | - | - |
| Hennebont Cedex (56708) | - | - |
| Hennebont Cedex (56709) | - | - |
| Hoedic (56170) | - | - |
| Ile Aux Moines (56780) | - | - |
| Ile D Arz (56840) | - | - |
| Ile D Houat (56170) | - | - |
| Ile D'arz (56840) | - | - |
| Inguiniel (56240) | - | - |
| Inzinzac Lochrist (56650) | - | - |
| Josselin (56120) | - | - |
| Kerfourn (56920) | - | - |
| Kergrist (56300) | - | - |
| Kernascleden (56540) | - | - |
| Kervignac (56700) | - | - |
| La Chapelle Caro (56460) | - | - |
| La Chapelle Gaceline (56200) | - | - |
| La Chapelle Neuve (56500) | - | - |
| La Croix Hellean (56120) | - | - |
| La Gacilly (56200) | - | - |
| La Gacilly Cedex (56201) | - | - |
| La Gacilly Cedex (56202) | - | - |
| La Gacilly Cedex (56203) | - | - |
| La Gacilly Cedex (56204) | - | - |
| La Gacilly Cedex (56205) | - | - |
| La Gacilly Cedex (56206) | - | - |
| La Gacilly Cedex (56207) | - | - |
| La Gacilly Cedex (56208) | - | - |
| La Gacilly Cedex (56209) | - | - |
| La Gree St Laurent (56120) | - | - |
| La Roche Bernard (56130) | - | - |
| La Trinite Porhoet (56710) | - | - |
| La Trinite Sur Mer (56470) | - | - |
| La Trinite Surzur (56190) | - | - |
| La Vraie Croix (56250) | - | - |
| Landaul (56690) | - | - |
| Landevant (56690) | - | - |
| Lanester (56600) | - | - |
| Langoelan (56160) | - | - |
| Langonnet (56630) | - | - |
| Languidic (56440) | - | - |
| Lanouee (56120) | - | - |
| Lantillac (56120) | - | - |
| Lanvaudan (56240) | - | - |
| Lanvenegen (56320) | - | - |
| Larmor Baden (56790) | - | - |
| Larmor Baden (56870) | - | - |
| Larmor Plage (56260) | - | - |
| Larre (56230) | - | - |
| Lauzach (56190) | - | - |
| Le Cours (56230) | - | - |
| Le Croisty (56540) | - | - |
| Le Faouet (56320) | - | - |
| Le Guerno (56190) | - | - |
| Le Hezo (56450) | - | - |
| Le Palais (56360) | - | - |
| Le Roc St Andre (56460) | - | - |
| Le Saint (56110) | - | - |
| Le Sourn (56300) | - | - |
| Le Tour Du Parc (56370) | - | - |
| Les Forges (56120) | - | - |
| Les Fougerets (56200) | - | - |
| Lignol (56160) | - | - |
| Limerzel (56220) | - | - |
| Lizio (56460) | - | - |
| Locmalo (56160) | - | - |
| Locmaria (56360) | - | - |
| Locmaria Grand Champ (56390) | - | - |
| Locmariaquer (56740) | - | - |
| Locmine (56500) | - | - |
| Locmiquelic (56570) | - | - |
| Locoal Mendon (56550) | - | - |
| Locqueltas (56390) | - | - |
| Lorient (56100) | - | - |
| Lorient Cedex (56311) | - | - |
| Lorient Cedex (56312) | - | - |
| Lorient Cedex (56313) | - | - |
| Lorient Cedex (56314) | - | - |
| Lorient Cedex (56315) | - | - |
| Lorient Cedex (56316) | - | - |
| Lorient Cedex (56317) | - | - |
| Lorient Cedex (56318) | - | - |
| Lorient Cedex (56319) | - | - |
| Lorient Cedex (56321) | - | - |
| Lorient Cedex (56322) | - | - |
| Lorient Cedex (56323) | - | - |
| Lorient Cedex (56324) | - | - |
| Lorient Cedex (56325) | - | - |
| Lorient Cedex (56326) | - | - |
| Lorient Cedex (56327) | - | - |
| Lorient Cedex (56328) | - | - |
| Lorient Cedex (56329) | - | - |