| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Akkum mah., Bilecik) | 11640 |
| Postal/ZIP Codes in Güner Orbay mah., Bilecik) | 11640 |
| Postal/ZIP Codes in Karaağaç mah., Bilecik) | 11640 |
| Postal/ZIP Codes in Zafer mah., Bilecik) | 11640 |
| Postal Codes in İnhisar | |
|---|---|
| Postal/ZIP Codes in İnhisar | |
| Postal/ZIP Codes in Merkezköyler | |