| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Probostwo, Żnin | 88-400 |
| Postal/ZIP Codes in Redczyce, Żnin | 88-400 |
| Postal/ZIP Codes in Rydlewo, Żnin | 88-400 |
| Postal/ZIP Codes in Sarbinowo, Żnin | 88-400 |
| Postal/ZIP Codes in Sielec, Żnin | 88-400 |
| Postal/ZIP Codes in Skarbienice, Żnin | 88-400 |
| Postal/ZIP Codes in Słabomierz, Żnin | 88-400 |
| Postal/ZIP Codes in Słębowo, Żnin | 88-400 |
| Postal/ZIP Codes in Sobiejuchy, Żnin | 88-400 |
| Postal/ZIP Codes in Sulinowo, Żnin | 88-400 |
| Postal/ZIP Codes in Świerczewo, Żnin | 88-400 |
| Postal/ZIP Codes in Uścikowo, Żnin | 88-400 |
| Postal/ZIP Codes in Ustaszewo, Żnin | 88-400 |
| Postal/ZIP Codes in Wawrzynki, Żnin | 88-400 |
| Postal/ZIP Codes in Wenecja, Żnin | 88-400 |
| Postal/ZIP Codes in Wilczkowo, Żnin | 88-400 |
| Postal/ZIP Codes in Wójcin, Żnin | 88-400 |
| Postal/ZIP Codes in Żnin, Żnin | 88-400 |
| Postal/ZIP Codes in Żnin-Wieś, Żnin | 88-400 |