+63-74-(2740000...2749999): Bontoc, Mountain Province (MOU) Read more about +63-74-(2740000...2749999)
+63-74-(2750000...2759999): Bontoc, Mountain Province (MOU) Read more about +63-74-(2750000...2759999)
+63-74-(4620000...4629999): Bontoc, Mountain Province (MOU) Read more about +63-74-(4620000...4629999)
+63-74-(4660000...4669999): Sagada, Mountain Province (MOU) Read more about +63-74-(4660000...4669999)
+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-(6330000...6339999): Bontoc, Mountain Province (MOU) Read more about +63-74-(6330000...6339999)