| Place | Post Code |
|---|---|
| Wierzbica, Serock | 05-140 |
| Wola Kiełpińska, Serock | 05-140 |
| Wola Smolana, Serock | 05-140 |
| Zabłocie, Serock | 05-140 |
| Zalesie Borowe, Serock | 05-140 |
| Zegrze, Serock | 05-131 |
| All postal codes in Legionowski | |
|---|---|
| Jabłonna, Legionowski | |
| Legionowo, Legionowski | |
| Nieporęt, Legionowski | |
| Serock, Legionowski | |
| Wieliszew, Legionowski | |