| Code | Name | Region |
|---|---|---|
| SISP9 | Mackovci | 97 |
| SIMAJ | Majsperk | 69 |
| SIMAK | Makole | 113 |
| SISML | Mala Nedelja | 63 |
| SIMLN | Malecnik | |
| SIKJN | Marezige | 50 |
| SIMBX | Maribor | |
| SIST5 | Marjeta Na Dravskem Polju | 115 |
| SIVCI | Markovci | 161 |
| SISM8 | Martjanci | 78 |
| SIH35 | Materija | 35 |
| SIME7 | Mavcice | 71 |
| SIMDE | Medvode | |
| SIMGS | Menges | 72 |
| SILSE | Lesce | 102 |
| SIKL5 | Lesicno | 51 |
| SISKS | Leskovec Pri Krskem | 54 |
| SIDR5 | Libelice | 25 |
| SILBU | Limbus | 70 |
| SILZJ | Litija | 60 |
| SILBC | Ljubecna | 11 |
| SILJU | Ljubljana | |
| SILJB | Ljubno | 62 |
| SIL8L | Ljubno Ob Savinji | 62 |
| SILJR | Ljutomer | |
| SILOC | Loce | 9 |
| SIBOV | Log Pod Mangartom | 6 |
| SIVR4 | Log Pri Brezovici | 140 |
| SILOG | Logatec | |
| SILOD | Log-dragomer | 208 |
| SISV8 | Loka Pri Zidanem Mostu | 110 |
| SISEZ | Lokev | 111 |
| SILSK | Loska Dolina | 65 |
| SILSP | Loski Potok | 66 |
| SIMK3 | Kotlje | 103 |
| SIKOZ | Kozina | 35 |
| SIKO5 | Kozje | 51 |
| SIKRJ | Kranj | |
| SIKRA | Kranjska Gora | 53 |
| SIM77 | Kresnice | 77 |
| SIKRI | Krize | 131 |
| SIKRZ | Krizevci | 166 |
| SIL63 | Krizevci Pri Ljutomeru | 63 |
| SIKRM | Krmelj | 110 |
| SIKRO | Kropa | 102 |
| SIBZ9 | Krska Vas | 9 |
| SIKRK | Krsko | 54 |
| SIKUN | Kungota | 55 |
| SIK56 | Kuzma | 56 |
| SILPJ | Laporje | 113 |