+63-64-(2880000...2889999): Kidapawan City, North Cotabato (NCO) Read more about +63-64-(2880000...2889999)
+63-64-(3900000...3909999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(3900000...3909999)
+63-64-(4210000...4219999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4210000...4219999)
+63-64-(4280000...4289999): Midsayap, North Cotabato (NCO) Read more about +63-64-(4280000...4289999)
+63-64-(4300000...4309999): Kidapawan City, North Cotabato (NCO) Read more about +63-64-(4300000...4309999)