+63-74-(6020000...6029999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6020000...6029999)
+63-74-(6030000...6039999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6030000...6039999)
+63-74-(6040000...6049999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6040000...6049999)
+63-74-(6068000...6068999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6068000...6068999)
+63-74-(6070000...6079999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6070000...6079999)
+63-74-(6080000...6089999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6080000...6089999)
+63-74-(6190000...6199999): Baguio City, Cordillera Administrative Region (15) Read more about +63-74-(6190000...6199999)