Telephone services in Turkey Telephone services in Turkey This article covers the telephone services in Turkey. The political authority is Ministry of Transport, Maritime and Communication (Turkey) . But there is also a supreme council (); Information and Communication Technologies Authority (abbreviated BTK) which controls the internet and point to point telecommunication . Turk Telekom a private company issued from state owned Turkish PTT in 1995 is responsible in Turkish land phone. In 2013 the number of telephone subscriber is 13.86 million. International call code of Turkey is 90. Mobile phone service is provided by three private companies; Turkcell, Vodafone Turkey (former Telsim) and
Telephone keypad the following system: These letters have been used for multiple purposes. Originally, they referred to the leading letters of telephone exchange names. In the mid-20th century United States, before the switch to All-Number Calling, telephone numbers had seven digits including a two-digit prefix which was expressed in letters rather than digits, e.g.; KL5-5445. The UK telephone numbering system used a similar two-letter code after the initial zero to form the first part of the subscriber trunk dialling code for a region. For example, Aylesbury was assigned 0AY6, which translated into 0296. The letters have also been used, mainly in the