| Code | Name | Region |
|---|---|---|
| PLOXR | Zukowice | 2 |
| PLZUK | Zukowo | 22 |
| PLZUR | Zurawica | 18 |
| PLZUM | Zuromin | 12 |
| PLZWN | Zwierzyn | 18 |
| PLZZC | Zwierzyniec | 6 |
| PLZWL | Zwolen | MZ |
| PLZYN | Zychlin | 10 |
| PLZKW | Zyrakow | 18 |
| PLZYR | Zyrardow | |
| PLZYW | Zywiec | |
| PLZLA | Zolynia | |
| PLZOR | Zorawina | 2 |
| PLZOY | Zory | 2 |
| PLZPO | Zpowtuchola | |
| PLZWD | Zimna Wodka | 16 |
| PLKP9 | Zla Wies Wielka | 4 |
| PLZLI | Zlocieniec | 32 |
| PLZLC | Zloczew | 10 |
| PLZLW | Zlotkow | 30 |
| PLZLK | Zlotniki Kujawskie | 4 |
| PLZSL | Zlotoklos | 14 |
| PLZTO | Zlotoryja | |
| PLZGI | Zgierz | |
| PLZLO | Zlotow | 30 |
| PLZBC | Zglobice | MA |
| PLZLS | Zloty Stok | 2 |
| PLZGC | Zgorzelec | 2 |
| PLZGR | Zmigrod | 2 |
| PLZIE | Ziebice | 2 |
| PLZNI | Znin | |
| PLZNW | Zieleniewo | 32 |
| PLIEG | Zielona Gora | |
| PLZIL | Zielonka | |
| PLZIO | Zielonki | MA |
| PLZEA | Zegocina | 12 |
| PLZZW | Zelazkow | 30 |
| PLZWH | Zelechow | 14 |
| PLZSW | Zelistrzewo | 22 |
| PLZBN | Zbaszyn | 30 |
| PLZE4 | Zelow | 10 |
| PLZBK | Zbaszynek | 8 |
| PLZBY | Zembrzyce | 12 |
| PLZBS | Zbiersk | 30 |
| PLZER | Zerniki | 6 |
| PLZBL | Zblewo | 22 |
| PLZNK | Zerniki | 30 |
| PLZBR | Zbroslawice | 24 |
| PLZBU | Zbuczyn | 14 |
| PLOXP | Zbylitowska Gora | MA |