You can access this information using DeviceNetworkInformation.CellularMobileOperator .
DeviceNetworkInformation.CellularMobileOperator Property on MSDN
var operatorName = DeviceNetworkInformation.CellularMobileOperator ?? "(No Network)";
Since the property can be null if no network is found, the above code will provide you with either a network operator or (No Network) in operatorName .
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