| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Strzelnia, Grudusk | 06-460 |
| Postal/ZIP Codes in Wiksin, Grudusk | 06-460 |
| Postal/ZIP Codes in Wiśniewo, Grudusk | 06-460 |
| Postal/ZIP Codes in Zakrzewo Małe, Grudusk | 06-460 |
| Postal/ZIP Codes in Zakrzewo Wielkie, Grudusk | 06-460 |
| Postal/ZIP Codes in Żarnowo, Grudusk | 06-460 |