Mahanagar Telephone Nigam Limited

J Block, Azad Maidan, Opp. Cama Hospital, Mahapalika Marg, Mumbai- 400001

2nd Floor, Wadala Telephone Exchange Bldg, G D Ambekar Marg, Dadar, Mumbai-14

J Block, Azad Maidan, Opp. Cama Hospital, Mahapalika Marg, Mumbai- 400001

1st floor City Telephone Exchange, Hazarimal Somani Marg , Fort

B-4/84/2, Safdarjung Enclave, New Delhi - 110029

Room No. 401.Idgah Telephone Exchange, Delhi-110055

Room No. 204, 2nd Floor, Tax Building, MTNL Delhi, Eastern Court, Janpath, New Delhi - 110001

5th Floor, Admn Wing, BKC Tele Exch Bldg, Kurla (W), Mumbai-98

Ground Floor, Telecom Bldg , MTNL Marg, Prabhadevi Dadar,Mumbai -28 

4th Floor, Thane Charai Tele. Exch, Mauli Mandal Road, Dhobi Ali, Thane (West)- 400 601