Kolkata

 Telephone Kendra (TBZ), Room No. 1014, 10th Floor, CMTS, P-10 ,New CIT Road , Kolkata - 700073, 

 Telephone Kendra (TBZ), Room No. 1014, 10th Floor, CMTS, P-10 ,New CIT Road , Kolkata - 700073, 

Telephone Kendra (TBZ), 10th Floor,P-10, New CIT Road , Kolkata- 700073,

Satyabala Telephone Exchange, 200/201, GT Road (N) Howrah-711107,  

Bharti Airtel Limited, Infinity Building, 5th Floor, Salt Lake Electronics Complex, Kolkata-700091, West Bengal

Vodafone Idea Limited, Srijan Tech Park, 7th floor,DN -52, Sector- V, Salt Lake City, Kolkata 700091

Islampur Ramkrishnapally Rural Welfare Society
At Ramkrishnapally
P.O & P.S Islampur, Distt. Uttar Dinajpur (WB ), Pin 733202
 

Vodafone Idea Limited, Srijan Tech Park, 7th floor,DN -52, Sector- V, Salt Lake City, Kolkata 700091 

Reliance Jio Infocomm Limited, Godrej Waterside, Tower II, 17th & 18th Floor, Plot No: 5, Block - DP, Sector-V, Saltlake City, Kolkata -700091   Contact No:  T.No. 18008893999, Fax : 18008891211, 

At - Ramkrishna Pally PO- Islampur  Dist. Uttar Dinajpur PIN -733202 West Bengal