+63-35-(2250000...2259999): Dumaguete, Negros Oriental (NER) Read more about +63-35-(2250000...2259999)
+63-35-(2260000...2269999): Dumaguete, Negros Oriental (NER) Read more about +63-35-(2260000...2269999)
+63-35-(2280000...2289999): Bayawan City, Negros Oriental (NER) Read more about +63-35-(2280000...2289999)
+63-35-(2310000...2319999): Guihulngan City, Negros Oriental (NER) Read more about +63-35-(2310000...2319999)