For Kolkata telecom circle, Airtel India has been allocated 10 mobile Number series. These mobile number series are: - 9007, 9163, 9748, 9831, 9903, 8420, 8582, 8583, 8584 and 7044. Unless otherwise a consumer has opted for Mobile Number Portability (MNP), if his/her number starts with any of these series 9007, 9163, 9748, 9831, 9903, 8420, 8582, 8583, 8584 and 7044. then you can certainly say that the number belongs to Kolkata telecom circle and the telecom operator is Airtel India.

You can view the list of all mobile series of Airtel India in Kolkata below: