Since API version 22 its possible
try following code for device having os greater than android 5.2
List<SubscriptionInfo> subscriptionInfos = SubscriptionManager.from(getApplicationContext()).getActiveSubscriptionInfoList();
for(int i=0; i<subscriptionInfos.size();i++)
{
SubscriptionInfo lsuSubscriptionInfo = subscriptionInfos.get(i);
Log.d(TAG, "getNumber "+ lsuSubscriptionInfo.getNumber());
Log.d(TAG, "network name : "+ lsuSubscriptionInfo.getCarrierName());
Log.d(TAG, "getCountryIso "+ lsuSubscriptionInfo.getCountryIso());
}
for more information
Multiple sim support in android