For Chennai telecom circle, Tata Docomo has been allocated 5 mobile Number series. These mobile number series are: - 9240, 9280, 9281, 9282 and 9283. Unless otherwise a consumer has opted for Mobile Number Portability (MNP), if his/her number starts with any of these series 9240, 9280, 9281, 9282 and 9283. then you can certainly say that the number belongs to Chennai telecom circle and the telecom operator is Tata Docomo.

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