| Code | Name | Region |
|---|---|---|
| CZSHZ | Stary Hrozenkov | |
| CZSPC | Stary Plzenec | |
| CZSYV | Stary Vestec | ST |
| CZSNC | Statenice | ST |
| CZSTE | Stechovice | ST |
| CZSSV | Slusovice | ZL |
| CZSLE | Slustice | ST |
| CZSMO | Smichov | |
| CZSDY | Smidary | KR |
| CZCRS | Smilovice | MO |
| CZSMR | Smirice | |
| CZSME | Smrzice | OL |
| CZOVK | Smrzovka | |
| CZSBE | Sobeslav | JC |
| CZSOV | Sobesovice | MO |
| CZSOB | Sobotin | OL |
| CZSBA | Sobotka | KR |
| CZSOK | Sokolov | |
| CZSOL | Solnice | KR |
| CZSOE | Sousedovice | 31 |
| CZSPR | Spalene Porici | PL |
| CZSKY | Spicky | OL |
| CZSPY | Spytihnev | ZL |
| CZ7OW | Srbska | LI |
| CZSRH | Srch | PA |
| CZSEZ | Sezimovo Usti | JM |
| CZSIB | Sibrina | ST |
| CZSIV | Sivice | JM |
| CZSKU | Skalice | US |
| CZSSX | Skalice Nad Svitavou | JM |
| CZSCL | Skalice U Ceske Lipy | JC |
| CZSKA | Skalna | KA |
| CZSKR | Skrivany | KR |
| CZSNB | Skuhrov Nad Belou | |
| CZSKT | Skutec | |
| CZSKV | Skvorec | |
| CZSLY | Slany | ST |
| CZSNE | Slapanice | JM |
| CZSLA | Slapy | ST |
| CZSTA | Slatina | |
| CZSNY | Slatinany | |
| CZSVN | Slavicin | ZL |
| CZSUH | Slavkov | ZL |
| CZSVB | Slavkov U Brna | JM |
| CZULV | Sluknov | US |
| CZSDI | Sardice | |
| CZSAA | Satov | |
| CZSAZ | Sazava | |
| CZSAC | Sebranice | JM |
| CZSAI | Sebranice | PA |