+63-83-(3820000...3829999): Polomolok, South Cotabato (SCO) Read more about +63-83-(3820000...3829999)
+63-83-(5000000...5009999): Polomolok, South Cotabato (SCO) Read more about +63-83-(5000000...5009999)
+63-83-(5010000...5014999): Polomolok, South Cotabato (SCO) Read more about +63-83-(5010000...5014999)
+63-83-(5020000...5029999): Koronadal City, South Cotabato (SCO) Read more about +63-83-(5020000...5029999)