| Code | Name | Region |
|---|---|---|
| SKTTA | Trencianska Turna | TC |
| SKTBE | Trencianske Bohuslavice | TC |
| SKTSK | Trencianske Stankovce | TC |
| SKTST | Trencianske Teplice | TC |
| SKTRE | Trencin | |
| SKTRH | Trhoviste | |
| SKTNA | Trnava | TA |
| SKSCY | Sucany | |
| SKSUH | Sucha Hora | ZI |
| SKSUC | Sumiac | BC |
| SKSUR | Surany | NI |
| SKSUI | Surianky | NI |
| SKSU2 | Surice | BC |
| SKSVJ | Svaty Jur | BL |
| SKSVK | Svidnik | |
| SKSVI | Svinna | TC |
| SKSVT | Svit | PV |
| SKSZM | Svodin | NI |
| SKTAJ | Tajna | NI |
| SKTEP | Teplicka Nad Vahom | ZI |
| SKTER | Terchova | ZI |
| SKNTM | Tesarske Mlynany | NI |
| SKTIS | Tisovec | |
| SKTLM | Tlmace | |
| SKTKV | Tomasikovo | TA |
| SKTOM | Tomasov | BL |
| SKTOE | Tomasovce | BC |
| SKSPC | Spacince | TA |
| SK2BA | Spisska Bela | PV |
| SKSNV | Spisska Nova Ves | |
| SKSSV | Spisska Stara Ves | PV |
| SKSPR | Spisske Podhradie | PV |
| SKSHY | Spisske Vlachy | KI |
| SKDF4 | Spissky Stiavnik | PV |
| SKSVR | Srvcinovec | ZI |
| SKSLB | Stara Lubovna | |
| SKSTA | Stara Tura | TC |
| SKSTV | Staskov | ZI |
| SKSTE | Stefanov | TA |
| SKZSK | Strazske | |
| SKSTR | Strba | |
| SKSBP | Strbske Pleso | PV |
| SKSEC | Strecno | ZI |
| SKREK | Strekov | NI |
| SKSPV | Stropkov | |
| SKSPA | Stupava | |
| SKSRA | Sturovo | NI |
| SKSLK | Siladice | TA |
| SKSOV | Sisov | TC |
| SKSKA | Skalica | TA |