İstanbul Postal Codes
Turkey · 277 codes
İstanbul has 277 postal codes, from 34010 to 34990, serving 284 places in 39 districts. Choose a district to see every code and place.
Districts of İstanbul
- Adalar34970–34977
- Arnavutköy34275–34557
- Ataşehir34704–34888
- Avcilar34310–34325
- Bağcilar34200–34218
- Bahçelievler34180–34197
- Bakirköy34140–34158
- Başakşehir34480–34494
- Bayrampaşa34035–34045
- Beşiktaş34330–34357
- Beykoz34800–34830
- Beylikdüzü34520–34528
- Beyoğlu34421–34445
- Büyükçekmece34500–34584
- Çatalca34540–34562
- Çekmeköy34782–34799
- Esenler34220–34235
- Esenyurt34510–34538
- Eyüp34050–34077
- Fatih34080–34134
- Gaziosmanpaşa34240–34255
- Güngören34160–34173
- Kadiköy34710–34744
- Kağithane34400–34418
- Kartal34860–34882
- Küçükçekmece34290–34307
- Maltepe34840–34858
- Pendik34890–34916
- Sancaktepe34785–34887
- Sariyer34396–34473
- Şile34980–34990
- Silivri34570–34590
- Şişli34360–34394
- Sultanbeyli34920–34935
- Sultangazi34260–34270
- Tuzla34940–34959
- Ümraniye34760–34776
- Üsküdar34660–34700
- Zeytinburnu34010–34025
Frequently asked questions
How many postal codes are there in İstanbul?
277 postal codes for 284 places in 39 districts.
What is the postal code range of İstanbul?
Postal codes in İstanbul run from 34010 to 34990 in this list.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.