+63-64-(5570000...5579999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(5570000...5579999)
+63-64-(9690000...9699999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(9690000...9699999)
+63-83-(8220000...8229999): Cotabato City, North Cotabato (NCO) Read more about +63-83-(8220000...8229999)
