721 series mobile number details

Department of Telecommunications (DoT) has allocated 721 mobile series to Vodafone Idea Limited, Bharat Sanchar Nigam Limited, Bharti Airtel Limited company to be used for SIM cards in Delhi NCR, Gujarat, Dadra and Nagar Haveli and Daman and Diu, Maharashtra and Goa, West Uttar Pradesh and Uttarakhand.