Bharat Sanchar Nigam Limited (Kolkata) Telephone Kendra (TBZ), Room No. 1014, 10th Floor, CMTS, P-10 ,New CIT Road , Kolkata -700073
Bharat Sanchar Nigam Limited (Kolkata) Telephone Kendra (TBZ), 10th Floor,P-10, New CIT Road , Kolkata- 700073
Bharat Sanchar Nigam Limited (Kolkata) Satyabala Telephone Exchange, 200/201, GT Road (N) Howrah-711107
Bharti Airtel Limited (Kolkata) Bharti Airtel Limited, Infinity Building, 5th Floor,Salt Lake Electronics Complex, Kolkata-700091,West Bengal
Vodafone Idea Limited (Kolkata) Vodafone Idea Limited, Srijan Tech Park, 7th floor,DN -52, Sector- V, Salt Lake City, Kolkata-700091
Vodafone Idea Limited (Kolkata) Islampur Ramkrishnapally Rural Welfare Society At Ramkrishnapally P.O & P.S Islampur, Distt. Uttar Dinajpur (WB ),Pin -733202
Vodafone Idea Limited (Kolkata) Vodafone Idea Limited, Srijan Tech Park, 7th floor,DN -52, Sector- V, Salt Lake City, Kolkata -700091
Reliance Jio Infocomm Limited (Kolkata) Reliance Jio Infocomm Limited, Godrej Waterside,Tower II, 17th & 18th Floor, Plot No: 5, Block - DP,Sector-V, Saltlake City, Kolkata -700091
Reliance Jio Infocomm Limited (Kolkata) At - Ramkrishna Pally PO- Islampur Dist.Uttar Dinajpur PIN -733202 West Bengal
Reliance Jio Infocomm Limited (Kolkata) Reliance Jio Infocomm Limited, Godrej Waterside,Tower II, 17th & 18th Floor, Plot No: 5, Block - DP,Sector-V, Saltlake City, Kolkata -700091