34453 posta kodu, İstanbul'un Sarıyer ilçesindeki Büyükdere, Çayırbaşı, Pttevleri, Kocataş ve Kazımkarabekir mahallelerine aittir 12. 34398 posta kodu ise Maslak mahallesine aittir 12.
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İstanbul'un Sarıyer ilçesindeki Büyükdere, Çayırbaşı, Pttevleri, Kocataş ve Kazımkarabekir mahallelerine aittir [```1```](https://www.sariyerposta.com/iste-sariyerin-posta-kodlari)[```2```](https://www.milliyet.com.tr/bilgi-rehberi/posta-kodlari/sariyer-posta-kodu-nedir-istanbul-sariyer-mahallelerinin-posta-kodlari-6197942). 34398 posta kodu ise Maslak mahallesine aittir [```1```](https://www.sariyerposta.com/iste-sariyerin-posta-kodlari)[```2```](https://www.milliyet.com.tr/bilgi-rehberi/posta-kodlari/sariyer-posta-kodu-nedir-istanbul-sariyer-mahallelerinin-posta-kodlari-6197942).","sources":[{"sourceId":1,"url":"https://worldpostalcode.com/turkey/istanbul/sariyer","title":"Sariyer, Turkey Postal Codes","shownUrl":"https://worldpostalcode.com/turkey/istanbul/sariyer","rel":"nofollow"},{"sourceId":2,"url":"https://www.postalpinzipcodes.com/TUR-Turkey/PO/Post-Office-Tur-Turkey-B%C3%BCy%C3%BCkdere-Postal-Code-34453-Zip-Code.html","title":"Büyükdere Postal Code | ZIP Code of Büyükdere - 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