| Code | Name | Region |
|---|---|---|
| GRKRY | Kryoneri | |
| GRKYL | Kyllini | |
| GRKYP | Kyparissia | |
| GRKIT | Kythira | |
| GRKYT | Kythnos | |
| GRLGA | Laganas | 14 |
| GRLGK | Lagkadas | 54 |
| GRPTL | Lagos (porto-lago) | 72 |
| GRLAG | Lagyna | B |
| GRLAK | Lakkia | |
| GRPKK | Lakkion | |
| GRKIL | Killini | |
| GRKYM | Kimasi | |
| GRKIM | Kimi (kymi) | |
| GRKMS | Kimolos | |
| GRKIP | Kiparissia | 17 |
| GRKLI | Klima | 43 |
| GRKIN | Koilas Ermionidos | 11 |
| GRKOC | Kolchiko | 54 |
| GRKDO | Kolindros | |
| GRKOL | Kolokinthou | |
| GRKOM | Komotini | |
| GRKOA | Konitsa | |
| GRKNS | Kontias Limnou | 83 |
| GRKPS | Kopanos | 53 |
| GRKRK | Korakochori | 14 |
| GRKRT | Korinthos | 15 |
| GRKMT | Kormista | 62 |
| GRKPO | Koropi | |
| GRKOR | Koropion | |
| GRKYD | Korydallos | 44 |
| GRNEY | Kato Nevrokopion | |
| GRVEO | Kato Vermion | |
| GRKAA | Kattavia | 81 |
| GRKVA | Kavala | 55 |
| GR3KR | Kavallarion | B |
| GRKEA | Kea (tzia) | |
| GRKFL | Kefallinia | |
| GRK33 | Kefalonia | 33 |
| GRKEF | Kefalos Ko | |
| GRKFO | Kefalovrison | 33 |
| GRKER | Keramoti | |
| GRKRA | Keratea | A1 |
| GRKRS | Keratsini | A1 |
| GRKTS | Keratsinion | |
| GRCFU | Kerkira (corfu) | 22 |
| GRCSF | Khora Sfakion | |
| GRKHR | Khrisoupolis | 55 |
| GRKIO | Kiato | |
| GRKFS | Kifisia |