| Place | Post Code |
|---|---|
| Bielawy, Szreńsk | 06-550 |
| Doziny, Szreńsk | 06-550 |
| Grądek, Szreńsk | 06-545 |
| Kobuszyn, Szreńsk | 06-550 |
| Krzywki-Bośki, Szreńsk | 06-550 |
| Krzywki-Piaski, Szreńsk | 06-550 |
| Kunki, Szreńsk | 06-550 |
| Liberadz, Szreńsk | 06-550 |
| Ługi, Szreńsk | 06-550 |
| Miączyn Duży, Szreńsk | 06-550 |
| Miączyn Mały, Szreńsk | 06-550 |
| Miłotki, Szreńsk | 06-550 |
| Mostowo, Szreńsk | 06-550 |
| Nowe Garkowo, Szreńsk | 06-550 |
| Ostrów, Szreńsk | 06-550 |
| Pączkowo, Szreńsk | 06-550 |
| Proszkowo, Szreńsk | 06-550 |
| Przychód, Szreńsk | 06-550 |
| Rochnia, Szreńsk | 06-550 |
| Sławkowo, Szreńsk | 06-550 |
| Stare Garkowo, Szreńsk | 06-550 |
| Szreńsk, Szreńsk | 06-550 |
| Wola Proszkowska, Szreńsk | 06-550 |
| Złotowo, Szreńsk | 06-550 |