+63-77-(3010000...3019999): Batac City, Ilocos Norte (ILN) Read more about +63-77-(3010000...3019999)
+63-77-(6170000...6179999): Batac City, Ilocos Norte (ILN) Read more about +63-77-(6170000...6179999)
+63-77-(6180000...6189999): Batac City, Ilocos Norte (ILN) Read more about +63-77-(6180000...6189999)
