+63-64-(4300000...4309999): Kidapawan City, North Cotabato (NCO) Xem thêm về +63-64-(4300000...4309999)
+63-64-(4420000...4429999): Cotabato City, North Cotabato (NCO) Xem thêm về +63-64-(4420000...4429999)
+63-64-(4430000...4439999): Cotabato City, North Cotabato (NCO) Xem thêm về +63-64-(4430000...4439999)
+63-64-(4500000...4509999): Kidapawan City, North Cotabato (NCO) Xem thêm về +63-64-(4500000...4509999)
