+63-74-(6200000...6209999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6200000...6209999)
+63-74-(6210000...6219999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6210000...6219999)
+63-74-(6220000...6229999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6220000...6229999)
+63-74-(6290000...6299999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6290000...6299999)
+63-74-(6330000...6339999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6330000...6339999)
+63-74-(6360000...6369999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6360000...6369999)