Kocaeli Postal code

The Postal code of Kocaeli Turkey ranges from 41001 to 41950. There are a total of 32 postal codes in Kocaeli. Kocaeli Postal code consists of 5 digits, the format is XXXXX. The first two digits of the postal code represent the main province or major city, and the last three digits represent the specific district or city. The postal service in Turkey is operated by the national company "PTT" (Posta ve Telgraf Teskilatı), which is known as the Turkish Post.