For Delhi telecom circle, MTNL (DOLPHIN) has been allocated 3 mobile Number series. These mobile number series are: - 9013, 9868 and 9968. Unless otherwise a consumer has opted for Mobile Number Portability (MNP), if his/her number starts with any of these series 9013, 9868 and 9968. then you can certainly say that the number belongs to Delhi telecom circle and the telecom operator is MTNL (DOLPHIN).

You can view the list of all mobile series of MTNL (DOLPHIN) in Delhi below: