For Kolkata telecom circle, Tata Docomo has been allocated 10 mobile Number series. These mobile number series are: - 9038, 9230, 9231, 9239, 8274, 8276, 8282, 8296, 8961 and 8981. Unless otherwise a consumer has opted for Mobile Number Portability (MNP), if his/her number starts with any of these series 9038, 9230, 9231, 9239, 8274, 8276, 8282, 8296, 8961 and 8981. then you can certainly say that the number belongs to Kolkata telecom circle and the telecom operator is Tata Docomo.

You can view the list of all mobile series of Tata Docomo in Kolkata below: