Telephone numbers in Turkey former area codes other than the primary one mentioned. The country calling code of Turkey is 90. trunk / inner - city code number : 0 international code : 00 Ankara DMS-300 Istanbul DMS-300 İzmir DMS-300 Ankara, İstanbul and İzmir DMS-300 International Exchanges Accept: L/D + area code + subscriber number + ST L /D = language digit : 0 (direct dialing) L /D = language digit : 2 (operator assistance) There are two international operator centers in Turkey, Ankara and İstanbul. Each one of these centers provides operator telephone services according ITU/T dialing: L/D + code11 + ST (Random)
Telephone numbers in Europe Telephone numbers in Europe Telephone numbers in Europe are managed by the national telecommunications authorities of each country. The country calling codes start primarily with "3" and "4", however, some countries that by the Copenhagen criteria are considered part of Europe have country codes from the Asia range, starting with "9". The international access code (trunk prefix) has been standardized as "00," as recommended by the International Telecommunication Union (ITU). † = Disputed state, may not be recognized as an independent state by some or all European Union members. <nowiki>*</nowiki>A variable dialing plan has different dialing procedures for local and