| Ort | Postleitzahl |
|---|---|
| Aleksandrowo, Troszyn | 07-405 |
| Borowce, Troszyn | 07-405 |
| Budne, Troszyn | 07-405 |
| Choromany, Troszyn | 07-405 |
| Chrostowo, Troszyn | 07-405 |
| Chrzczony, Troszyn | 07-405 |
| Dąbek, Troszyn | 07-405 |
| Dzbenin, Troszyn | 07-405 |
| Grucele, Troszyn | 07-405 |
| Janki Stare, Troszyn | 07-405 |
| Janochy, Troszyn | 07-405 |
| Kamionowo, Troszyn | 07-405 |
| Kleczkowo, Troszyn | 07-405 |
| Kurpie Dworskie, Troszyn | 07-405 |
| Kurpie Szlacheckie, Troszyn | 07-405 |
| Łątczyn, Troszyn | 07-405 |
| Mieczki-Abramy, Troszyn | 07-405 |
| Mieczki-Poziemaki, Troszyn | 07-405 |
| Mieczki-Ziemaki, Troszyn | 07-405 |
| Milewo-Łosie, Troszyn | 07-405 |
| Milewo-Tosie, Troszyn | 07-405 |
| Milewo Wielkie, Troszyn | 07-405 |
| Ojcewo, Troszyn | 07-405 |
| Opęchowo, Troszyn | 07-405 |
| Puchały, Troszyn | 07-405 |
| Rabędy, Troszyn | 07-405 |