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)
National conventions for writing telephone numbers categories: Every number, except special service numbers, is an 8-digit number; they are grouped as XXXX YYYY. There are no area codes. The traditional convention for phone numbers is (0AA) NXX-XXXX, where 0AA is the area code and NXX-XXXX is the subscriber number. This number format is very similar to the North American numbering plan, however, the country has a trunk code of 0 instead of 1, so international callers (using +81) do not have to dial the trunk code when calling to Japan. Telephone numbers were nine digits long in Tokyo and Osaka until the late 1990s, when a