Area Code +63-78-(3070000...3079999) located in Cauayan City, Isabela (ISA), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 3070000 Subscriber Number To : 3079999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Philippine Long Distance Telephone Company (PLDT) Click here to buy Philippines Area Code Database Other Information Language Code : en (English) Country Number : 608 (Philippines) Country Code : PH (Philippines) Region Code : ISA Region Name : Isabela City : Cauayan City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.9300 Longitude : 121.7700 ‹ previous : +63-78-(3069000...3069999) next › : +63-78-(3120000...3129999) Dialling Instructions For trunk calls: 0 78 3070000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 3070000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3070000 ~ 3079999 (Count: 10,000) Example: +63-78-3070000 / 0063-78-3070000 (078-3070000 / 0-78-3070000) +63-78-3070001 / 0063-78-3070001 (078-3070001 / 0-78-3070001) +63-78-3070002 / 0063-78-3070002 (078-3070002 / 0-78-3070002) +63-78-3070003 / 0063-78-3070003 (078-3070003 / 0-78-3070003) +63-78-3070004 / 0063-78-3070004 (078-3070004 / 0-78-3070004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-3079995 / 0063-78-3079995 (078-3079995 / 0-78-3079995) +63-78-3079996 / 0063-78-3079996 (078-3079996 / 0-78-3079996) +63-78-3079997 / 0063-78-3079997 (078-3079997 / 0-78-3079997) +63-78-3079998 / 0063-78-3079998 (078-3079998 / 0-78-3079998) +63-78-3079999 / 0063-78-3079999 (078-3079999 / 0-78-3079999)