Köseköy Postal Codes, Kartepe, Kocaeli, Marmara Turkey

Find all official postal codes and zip codes for Köseköy, located in Marmara, Kocaeli, Kartepe, Turkey. The table below lists the specific postal codes for various places, towns, and neighborhoods within Köseköy to ensure your mail and packages are correctly routed.

Köseköy on the Map

The map above highlights the geographic boundaries of the Köseköy towns in Turkey. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Köseköy

Key Facts

Köseköy is a neighborhood (mahalle) within the Kartepe district of Kocaeli Province, located in the Marmara Region of northwestern Turkey. Situated in the eastern part of the Kartepe district, Köseköy lies approximately 15 kilometers northeast of the provincial capital, İzmit, and about 90 kilometers southeast of Istanbul. This strategically positioned neighborhood serves as an important residential and commercial area within the rapidly developing Kartepe region, which is known for its natural beauty and proximity to both urban centers and recreational areas like Kartepe Mountain. While specific population figures for individual neighborhoods like Köseköy are not always readily available, Kartepe district as a whole had a population of approximately 125,000 people according to recent estimates, with Köseköy representing one of its significant residential communities. The neighborhood is administratively organized as part of Kartepe's municipal structure, which comprises multiple neighborhoods and villages under its jurisdiction. As an integral part of Turkey's postal and administrative system, Köseköy maintains its own specific postal codes that facilitate efficient mail delivery and location identification for residents and businesses operating within this growing Marmara region community.

Neighboring Regions

* Acısu

* Arslanbey

* Ataevler

* Balaban

* Çepni

* Dereköy

* Eşme

* Eşmeahmediye

* Kirazlıyalı

* Maşukiye

* Sarımeşe

* Sultaniye

* Uzunçiftlik

* Uzuntarla