| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Beşiktaş mah., Sinop) | 57400 |
| Postal/ZIP Codes in Çayiçi mah., Sinop) | 57400 |
| Postal/ZIP Codes in Cevizli mah., Sinop) | 57400 |
| Postal/ZIP Codes in Denizciler mah., Sinop) | 57400 |
| Postal/ZIP Codes in Yalı mah., Sinop) | 57400 |
| Postal Codes in Ayancık | |
|---|---|
| Postal/ZIP Codes in Ayancık | |
| Postal/ZIP Codes in Merkezköyler | |