Internet, Telephone, VOIP & WiFi

Vodafone Turkey
Turkeys second largest mobile phone operator, with 16 million subscribers. Offering smart phones and tablets, internet packages, and a range of services and tarifs. Headquartered at Eski Buyukdere Cad. 251, 34398 Istanbul.
Turkeys leading mobile phone operator, with over 34 million subscribers, offering SMS, internet, SIM cards and e-billing and payments. Headquartered at Mesrutiyet Cad. 71, 34420 Istanbul.
FTS Communication Consultancy
Communication and information services. Open Monday to Friday 09:00-18:00. At Asmali Mescit street, No:33 Beyoglu
The largest Internet service provider in Turkey with around 6 million subscribers, offering wifi, music streaming, 3G technology, security and internet television. Headquartered at Salih Tozan Sok. 16, Sisli, 34394 Istanbul.
Roaming in Turkey
A website created by Vodafone to offer advice for using mobile phones in Turkey, and services such as Roaming and pay-as-you-go SIM cards.
TSM Informatics Technology Services Company
Telecommunication and informatics services and sell of foreign phone cards. Open Monday to Friday 09:00-18:00. At Orhan Apaydin street, No:5 Beyoglu.
Bosphore Telecom Telecommunication
Telecommunication services. Open Monday to Friday, 09:00-18:00. At Orhan Apaydin street No:5/3 Beyoglu.
Turk Telekom
Turkeys leading telecoms supplier, offering corporate and private products and services, including landline telephones, internet, Wirofon internet calls, work phones, SMS and web hosting.