| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Anieliny, Sadki | 89-110 |
| Postal/ZIP Codes in Bnin, Sadki | 89-110 |
| Postal/ZIP Codes in Borek, Sadki | 89-110 |
| Postal/ZIP Codes in Broniewo, Sadki | 89-110 |
| Postal/ZIP Codes in Dębionek, Sadki | 89-110 |
| Postal/ZIP Codes in Dębowo, Sadki | 89-110 |
| Postal/ZIP Codes in Glinki, Sadki | 89-110 |
| Postal/ZIP Codes in Jadwiżyn, Sadki | 89-110 |
| Postal/ZIP Codes in Kraczki, Sadki | 89-110 |
| Postal/ZIP Codes in Liszkówko, Sadki | 89-110 |
| Postal/ZIP Codes in Łodzia, Sadki | 89-110 |
| Postal/ZIP Codes in Machowo, Sadki | 89-110 |
| Postal/ZIP Codes in Mrozowo, Sadki | 89-110 |
| Postal/ZIP Codes in Ostrówiec, Sadki | 89-110 |
| Postal/ZIP Codes in Radzicz, Sadki | 89-110 |
| Postal/ZIP Codes in Sadki, Sadki | 89-110 |
| Postal/ZIP Codes in Sadkowski Młyn, Sadki | 89-110 |
| Postal/ZIP Codes in Samostrzel, Sadki | 89-110 |
| Postal/ZIP Codes in Śmielin, Sadki | 89-110 |
| Postal/ZIP Codes in Wybitowo, Sadki | 89-110 |