İzmit District Postal Codes
Kocaeli, Turkey · 8 codes
İzmit District in Kocaeli has 8 postal codes, from 41000 to 41310, serving 8 places.
Postal codes in İzmit
Frequently asked questions
What is the postal code of İzmit?
İzmit has 8 postal codes, from 41000 to 41310. The table lists the places each one serves.
How many places are listed in İzmit District?
8 places.
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.