+63-64-(4360000...4369999): Makilala, North Cotabato (NCO) Read more about +63-64-(4360000...4369999)
+63-64-(4420000...4429999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4420000...4429999)
+63-64-(4430000...4439999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4430000...4439999)
+63-64-(4460000...4469999): Datu Odin Sinsuat, Maguindanao (MAG) Read more about +63-64-(4460000...4469999)