| Place | Post Code |
|---|---|
| Dąbrowo, Grunwald | 14-107 |
| Domkowo, Grunwald | 14-107 |
| Dylewko, Grunwald | 14-107 |
| Dylewo, Grunwald | 14-107 |
| Frygnowo, Grunwald | 14-107 |
| Gierzwałd, Grunwald | 14-107 |
| Glądy, Grunwald | 14-107 |
| Góry Lubiańskie, Grunwald | 14-107 |
| Grabiczki, Grunwald | 14-107 |
| Grunwald, Grunwald | 14-107 |
| Jędrychowo, Grunwald | 14-107 |
| Kalwa, Grunwald | 14-107 |
| Kiersztanówko, Grunwald | 14-107 |
| Kiersztanowo, Grunwald | 14-107 |
| Kitnowo, Grunwald | 14-107 |
| Korsztyn, Grunwald | 14-107 |
| Łącko, Grunwald | 14-107 |
| Lipowa Góra, Grunwald | 14-107 |
| Łodwigowo, Grunwald | 14-107 |
| Lubian, Grunwald | 14-107 |
| Lubianek, Grunwald | 14-107 |
| Marcinkowo, Grunwald | 14-107 |
| Mielno, Grunwald | 14-107 |
| Omin, Grunwald | 14-107 |
| Pacółtówko, Grunwald | 14-107 |
| Pacółtowo, Grunwald | 14-107 |