+63-34-(3870000...3870999): Isabela, Negros Occidental (NEC) Read more about +63-34-(3870000...3870999)
+63-34-(3872000...3872999): Isabela, Negros Occidental (NEC) Read more about +63-34-(3872000...3872999)
+63-34-(7410000...7419999): Isabela, Negros Occidental (NEC) Read more about +63-34-(7410000...7419999)
