| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Słomianka, Sidra | 16-124 |
| Postal/ZIP Codes in Śniczany, Sidra | 16-124 |
| Postal/ZIP Codes in Staworowo, Sidra | 16-124 |
| Postal/ZIP Codes in Szostaki, Sidra | 16-124 |
| Postal/ZIP Codes in Wandzin, Sidra | 16-124 |
| Postal/ZIP Codes in Władysławowo, Sidra | 16-124 |
| Postal/ZIP Codes in Wólka, Sidra | 16-124 |
| Postal/ZIP Codes in Zalesie, Sidra | 16-124 |
| Postal/ZIP Codes in Zwierżany, Sidra | 16-124 |