How to determine the mobile operator for Windows Phone 8.1

string MobileOperatorName = DeviceNetworkInformation.CellularMobileOperator;

public void GetMobileOperatorName()
        {
            var result = NetworkInformation.GetConnectionProfiles();
            string CarrierName = "";
            foreach (var connectionProfile in result)
            {
                if (connectionProfile.IsWwanConnectionProfile)
                {
                    foreach (var networkName in connectionProfile.GetNetworkNames())
                    {
                        CarrierName = networkName;//Get mobile operator Name
                        break;
                    }
                }
            }
        }