| Place | Post Code |
|---|---|
| Turówko, Kozłowo | 13-124 |
| Turowo, Kozłowo | 13-124 |
| Ważyny, Kozłowo | 13-100 |
| Wierzbowo, Kozłowo | 13-124 |
| Wola, Kozłowo | 13-124 |
| Zabłocie Kozłowskie, Kozłowo | 13-124 |
| Zaborowo, Kozłowo | 13-124 |
| Zakrzewko, Kozłowo | 13-124 |
| Zakrzewo, Kozłowo | 13-124 |
| Zalesie, Kozłowo | 13-124 |
| All postal codes in Nidzicki | |
|---|---|
| Janowiec Kościelny, Nidzicki | |
| Janowo, Nidzicki | |
| Kozłowo, Nidzicki | |
| Nidzica, Nidzicki | |