For Delhi telecom circle, Tata Docomo has been allocated 10 mobile Number series. These mobile number series are: - 9210, 9211, 9212, 9213, 9250, 9266, 9268, 9278, 9289 and 7796. Unless otherwise a consumer has opted for Mobile Number Portability (MNP), if his/her number starts with any of these series 9210, 9211, 9212, 9213, 9250, 9266, 9268, 9278, 9289 and 7796. then you can certainly say that the number belongs to Delhi telecom circle and the telecom operator is Tata Docomo.

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