to be used for certain special services. International Switched Digital Service: 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) Operator Access Code: 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) L/D + code12 + 312 + ST (Ankara) L/D + code12 + 212 + ST (İstanbul) L/D: language digit 2 English C11: operator assistance C12: international transits ST: stop pulse The operators of the international exchanges in Ankara and Istanbul are available under C11 and C12. Local Time: UTC + 3 hours List of area codes List of mobile codes Note: These are the codes that wireless operators in Turkey assign to new subscribers. Because of mobile number portability, a subscriber's telephone number may not accurately reflect their actual operator. List of other special domestic codes External links Page of Turkish Telecom's website on City codes of Turkey Turkey Telecommunications in Turkey Telephone numbers