| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Beşler mah., Bolu) | 14840 |
| Postal/ZIP Codes in Karapınar mah., Bolu) | 14840 |
| Postal/ZIP Codes in Tabaklar Yazıyaka mah., Bolu) | 14840 |
| Postal/ZIP Codes in Türkbeyli mah., Bolu) | 14840 |
| Postal Codes in Mengen | |
|---|---|
| Postal/ZIP Codes in Gökçesu | |
| Postal/ZIP Codes in Mengen | |
| Postal/ZIP Codes in Merkezköyler | |