| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Dębogórze, Kosakowo | 81, 84 |
| Postal/ZIP Codes in Kazimierz, Kosakowo | 84-230 |
| Postal/ZIP Codes in Kosakowo, Kosakowo | 81-198 |
| Postal/ZIP Codes in Mechelinki, Kosakowo | 81-198 |
| Postal/ZIP Codes in Mosty, Kosakowo | 81-198 |
| Postal/ZIP Codes in Pierwoszyno, Kosakowo | 81-198 |
| Postal/ZIP Codes in Pogórze, Kosakowo | 81-198 |
| Postal/ZIP Codes in Rewa, Kosakowo | 81-198 |
| Postal/ZIP Codes in Stare Obłuże, Kosakowo | 81-198 |
| Postal/ZIP Codes in Suchy Dwór, Kosakowo | 81-198 |