| Code | Name | Region |
|---|---|---|
| GRMAR | Markopoulon | |
| GRMRM | Marmari | |
| GRMRN | Marmarion | |
| GRMXK | Mastichari Kos | 81 |
| GRL83 | Lesbos | 83 |
| GRLEA | Levadeia | |
| GRGAG | Levadhia | 3 |
| GRLKV | Likovrisi | |
| GRLII | Limni | |
| GRGAN | Limnotopos | 57 |
| GRLIA | Linaria | 4 |
| GRLDR | Lindos Rodou | 81 |
| GRLIN | Linoperamata Hrakliou | |
| GRLIP | Lipsoi | 81 |
| GR6TL | Liti | 54 |
| GRLIT | Litokhoron | |
| GRADI | Livadia | 31 |
| GRLIV | Livanatai | |
| GRLIX | Lixuri | |
| GRLOD | Loudias | 54 |
| GRLOU | Loutraki | |
| GRLTR | Loutro Chanion | |
| GRMGO | Magiko | |
| GRMGU | Magoula | 41 |
| GRKKM | Lakkoma | 71 |
| GRLKK | Lakkoma (khalkidhiki) | |
| GRLAM | Lamia | |
| GRLAN | Langadhas | |
| GRLAR | Lardos Rhodes | 81 |
| GRLRA | Larisa | |
| GRLRY | Larymna | |
| GRLAV | Laurium (lavrion) | |
| GRLNA | Lechaina | 14 |
| GRLEV | Lefkada (lefkas) | |
| GRLEF | Lefkandi | |
| GRLKI | Lefki | 34 |
| GRLFK | Lefkimmi | 22 |
| GRLXS | Lemnos | |
| GRKAN | Leondarion | |
| GRLND | Leonidion | |
| GRLPK | Leptokaria | 71 |
| GRLRS | Leros | |
| GRKGS | Kos | |
| GRKEM | Kosta Ermionidas | |
| GRKOU | Koufalia | 54 |
| GRKOF | Koufonissia Kykladon | |
| GRGAM | Kounavoi | HK |
| GRKZI | Kozani | |
| GRKGR | Kremasti | 81 |
| GRKRI | Krioneri |