+63-64-(4300000...4309999): Kidapawan City, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4300000...4309999)
+63-64-(4320000...4329999): M'Lang, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4320000...4329999)
+63-64-(4330000...4339999): Magpet, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4330000...4339999)
+63-64-(4340000...4349999): Kabacan, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4340000...4349999)
+63-64-(4360000...4369999): Makilala, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4360000...4369999)
+63-64-(4370000...4379999): Pikit, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4370000...4379999)
+63-64-(4420000...4429999): Cotabato City, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4420000...4429999)
+63-64-(4430000...4439999): Cotabato City, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4430000...4439999)
+63-64-(4500000...4509999): Kidapawan City, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4500000...4509999)
+63-64-(4510000...4519999): Midsayap, North Cotabato (NCO) Baca lebih lanjut mengenai +63-64-(4510000...4519999)
