Morning Alarm & Reminder Service	173
Time Announcement in English	174
Time Announcement in Tamil	175
Time Announcement in Hindi	177
Trunk Booking	180
Assistance / Cancellation	181
Trunk Information	183
Phonogram Service	185
International Calls	186
International Enquiries/Asst.	187
Trunk Delay Enquiry	188
Lightning Call Booking	189
Trunk Assistance	191
Directory Enquiry	197
Repair Service	198
Local Assistance	199
Change of Telephone No in Tamil	1953
Change of Telephone No in English	1952
STD Complaints	28253232

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Public Grievances
78, Purasawakkam High Road,
Chennai - 600 010
Tel: 91-44-26422200
Fax: 91-44-26420001

Public Relation Officer - 91-44-26614141, 91-44-26425111