Posta Kodu Sorgulama is an online directory designed to help people find postal codes across Türkiye. Its free search tool organizes information by province, district, and neighborhood, allowing visitors to select a location and retrieve the corresponding code. Users can also enter a five-digit postal code to learn which area it belongs to. The site covers provinces throughout the country and presents itself as a practical guide to postal codes established by Türkiye’s Postal and Telegraph Organization (PTT).

The service is intended to make address details easier to check for everyday needs, including parcel delivery, online shopping, invoices, and official paperwork. Its explanatory content describes how postal codes help identify locations and why accurate codes matter for delivery, address verification, navigation, and administrative processes. The site also provides links to postal-code listings for individual cities, including Istanbul, Ankara, Izmir, and Bursa, alongside general information about using postal codes. By bringing location-based lookup and basic guidance together, Posta Kodu Sorgulama helps visitors check address information quickly and conveniently.