+63-64-(4550000...4559999): Pigkawayan, North Cotabato (NCO) Read more about +63-64-(4550000...4559999)
+63-64-(4560000...4569999): Makilala, North Cotabato (NCO) Read more about +63-64-(4560000...4569999)
+63-64-(4760000...4769999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4760000...4769999)
+63-64-(4820000...4829999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4820000...4829999)
+63-64-(4830000...4839999): Cotabato City, North Cotabato (NCO) Read more about +63-64-(4830000...4839999)