| Code | Name | Region |
|---|---|---|
| PLSAR | Starowa Gora | 10 |
| PLSRJ | Stary Radziejow | 4 |
| PLSAA | Stary Sacz | 12 |
| PLSRS | Stary Szelkow | 14 |
| PLSSZ | Staszow | 26 |
| PLSSW | Staszow | MZ |
| PLGST | Stawiguda | 28 |
| PLSWZ | Stawiszyn | |
| PLSPA | Stepnica | |
| PLSTW | Steszew | |
| PLSTY | Stezyca | 22 |
| PLZWK | Stoczek Lukowski | 6 |
| PLSDL | Stojadla | 14 |
| PLLK5 | Stolno | 4 |
| PLSTN | Straszyn | |
| PLSY2 | Sroczyn | 30 |
| PLSRW | Sroda | |
| PLSSA | Sroda Slaska | 2 |
| PLSWK | Sroda Wielkopolska | 30 |
| PLSRO | Srokowo | 28 |
| PLQXQ | Stalowa Wola | |
| PLSLW | Stanislawice | |
| PLWOW | Stanislawow | 14 |
| PLSTL | Stanislawow Pierwszy | 10 |
| PLSTA | Stanowice | 2 |
| PLSPW | Staporkow | |
| PLTSI | Stara Kamienica | 2 |
| PLSRT | Stara Wies | MA |
| PLSTE | Starachowice | |
| PLSTB | Stare Babice | 14 |
| PLSBT | Stare Bystre | 12 |
| PLSCZ | Stare Czarnowo | 32 |
| PLSJB | Stare Jablonki | WN |
| PLSTJ | Stare Jezewo | |
| PLSTM | Stare Miasto | 30 |
| PLSOC | Sochaczew | |
| PLS8M | Sochocin | 14 |
| PLSOK | Sokolka | |
| PLSWQ | Sokolow | 14 |
| PLSMP | Sokolow Malopolski | 18 |
| PLSPO | Sokolow Podlaski | |
| PLSOO | Sokoly | 20 |
| PLSOI | Solec Kujawski | |
| PLSZO | Solec-zdroj | |
| PLSMK | Somianka | 14 |
| PL8JP | Sompolno | 30 |
| PLSON | Sonsk | |
| PLSOP | Sopot | 22 |
| PLSOS | Sosnicowice | 24 |
| PLBOT | Sosnow | 6 |