| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Altınkaya mah., Sinop) | 57700 |
| Postal/ZIP Codes in Buzluk mah., Sinop) | 57700 |
| Postal/ZIP Codes in Gökırmak mah., Sinop) | 57700 |
| Postal/ZIP Codes in Merkez mah., Sinop) | 57700 |
| Postal/ZIP Codes in Yeşilyurt mah., Sinop) | 57700 |
| Postal Codes in Durağan | |
|---|---|
| Postal/ZIP Codes in Durağan | |
| Postal/ZIP Codes in Merkezköyler | |