MTNL Duplicate Sim | Lost Sim | Replace Sim
MTNL Duplicate Sim | Lost Sim | Replace Sim First block your current MTNL phone number: If your mobile is lost-stolen, immediately block your mtnl SIM by calling customer care 1500/1503 (from mtnl phone)/18001801503(from other networks). Customer care executive will confirm your address, phone number etc in-order to check the authenticity of the call. Visit nearest mtnl Customer Service Center
» Read more