+63-83-(8870000...8879999): General Santos, South Cotabato (SCO) Read more about +63-83-(8870000...8879999)
+63-83-(8940000...8949999): General Santos, South Cotabato (SCO) Read more about +63-83-(8940000...8949999)
+63-83-(8960000...8969999): General Santos, South Cotabato (SCO) Read more about +63-83-(8960000...8969999)