| Place | Postal Code |
|---|---|
| Bartlewo, Ruciane-Nida | 12-220 |
| Borek, Ruciane-Nida | 12-220 |
| Gałkowo, Ruciane-Nida | 12-220 |
| Gąsior, Ruciane-Nida | 12-220 |
| Głodowo, Ruciane-Nida | 12-220 |
| Iwanowo, Ruciane-Nida | 12-220 |
| Iznota, Ruciane-Nida | 12-220 |
| Jeleń, Ruciane-Nida | 12-220 |
| Kadzidłowo, Ruciane-Nida | 12-220 |
| Kamień, Ruciane-Nida | 12-220 |
| Karwica, Ruciane-Nida | 12-220 |
| Karwica Mazurska, Ruciane-Nida | 12-220 |
| Kokoszka, Ruciane-Nida | 12-220 |
| Końcewo, Ruciane-Nida | 12-220 |
| Kończewo, Ruciane-Nida | 12-220 |
| Krzyże, Ruciane-Nida | 12-220 |
| Ładne Pole, Ruciane-Nida | 12-220 |
| Lipnik, Ruciane-Nida | 12-220 |
| Lisiczyn, Ruciane-Nida | 12-220 |
| Majdan, Ruciane-Nida | 12-220 |
| Maskulińskie, Ruciane-Nida | 12-220 |
| Niedźwiedzi Róg, Ruciane-Nida | 12-220 |
| Nowa Ukta, Ruciane-Nida | 12-220 |
| Oko, Ruciane-Nida | 12-220 |
| Onufryjewo, Ruciane-Nida | 12-220 |
| Osiniak-Piotrowo, Ruciane-Nida | 12-220 |
| Postal Codes in Piski | |
|---|---|
| Biała Piska, Piski | |
| Orzysz, Piski | |
| Pisz, Piski | |
| Ruciane-Nida, Piski | |