Gölcük District Postal Codes
Kocaeli, Turkey · 2 codes
Gölcük District in Kocaeli has 2 postal codes, from 41650 to 41950, serving 22 places.
Postal codes in Gölcük
Frequently asked questions
What is the postal code of Gölcük?
Gölcük has 2 postal codes, from 41650 to 41950. The table lists the places each one serves.
How many places are listed in Gölcük District?
22 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.