Başiskele Postal Codes: 41090 | Başiskele, Kocaeli, Marmara
The Postal Codes (Posta kodları) for Başiskele is 41090 in Başiskele, Kocaeli, Marmara, Başiskele, Turkey. The table below lists Postal Codes and postcodes for places within Başiskele.
Postal Codes for Places in Başiskele
Showing 12 places in Başiskele. Last verified with official records on April 25, 2026.
| Aksığın mah. | |
| Altınkent mah. | |
| Barbaros mah. | |
| Camidüzü mah. | |
| Doğantepe mah. | |
| Döngel mah. | |
| Kazandere mah. | |
| Sahil mah. | |
| Serindere mah. | |
| Servetiye Cami mah. | |
| Servetiye Karşı mah. | |
| Tepecik mah. |
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Sample Address Format for Başiskele
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Başiskele, Başiskele, Kocaeli, Marmara, 41090
TURKEY
Başiskele on the Map
The map above highlights the geographic boundaries of the Başiskele towns in Turkey.
Başiskele Quick Facts
| Country | Turkey (TR) |
|---|---|
| Administrative Path | Turkey → Marmara → Kocaeli → Başiskele |
| Postal Code | 41090 |
| Regions | Marmara |
| Provinces | Kocaeli |
| Districts | Başiskele |
| ISO Codes | TR / TUR / 792 |
| Top-level domain (ccTLD) | .tr |
| Coordinates | 40.712928, 29.928698 |
| Places | 12 |
What to Know About Başiskele
Key Facts
Başiskele is a district located within Kocaeli Province in the Marmara Region of Turkey. Situated in the northwestern part of the country along the eastern shores of the Sea of Marmara, Başiskele occupies a strategic position within the industrial heartland of Kocaeli. The district covers an area of approximately 207 square kilometers and has a population of around 95,000 residents according to recent estimates. Başiskele is administratively divided into 20 neighborhoods (mahalle), including prominent areas such as Bahçecik, Yeniköy, and Serindere. The district has experienced significant urban development in recent decades, transforming from a predominantly rural area to an important residential and industrial zone within the greater Kocaeli metropolitan area. Its proximity to major transportation corridors, including the D-100 highway and railway connections, makes it an integral part of the industrial infrastructure supporting Turkey's Marmara Region. For detailed postal code information and location-specific services for Başiskele's various neighborhoods, comprehensive resources are available to assist residents and businesses.
Neighboring Regions
- Kartepe
- İzmit
- Körfez
- Dilovası