| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chłopy, Mielno | 76-034 |
| Postal/ZIP Codes in Gąski, Mielno | 76-034 |
| Postal/ZIP Codes in Komorniki, Mielno | 76-032 |
| Postal/ZIP Codes in Łazy, Mielno | 76-002 |
| Postal/ZIP Codes in Mielenko, Mielno | 76-032 |
| Postal/ZIP Codes in Mielno, Mielno | 76-032 |
| Postal/ZIP Codes in Niegoszcz, Mielno | 76-032 |
| Postal/ZIP Codes in Paprotno, Mielno | 76-034 |
| Postal/ZIP Codes in Pękalin, Mielno | 76-034 |
| Postal/ZIP Codes in Radzichowo, Mielno | 76-032 |
| Postal/ZIP Codes in Sarbinowo, Mielno | 76-034 |