858 series mobile number details

Department of Telecommunications (DoT) has allocated 858 mobile series to Reliance Jio Infocomm Limited, Vodafone Idea Limited, Bharti Airtel Limited company to be used for SIM cards in Himachal Pradesh, Bihar and Jharkhand, Kolkata, Howrah, Hooghly, North 24 Parganas, South 24 Parganas and Nadia, Delhi NCR, Kerala, Lakshadweep and Mahe.