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.
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.
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
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.
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.
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.
Bosphore Telecom Telecommunication
Telecommunication services. Open Monday to Friday, 09:00-18:00. At Orhan Apaydin street No:5/3 Beyoglu.