Area Code +63-78-(3920000...3929999) located in Bayombong, Nueva Vizcaya (NUV), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 3920000 Subscriber Number To : 3929999 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 : NUV Region Name : Nueva Vizcaya City : Bayombong Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.4800 Longitude : 121.1500 ‹ previous : +63-78-(3910000...3919999) next › : +63-78-(3930000...3939999) Dialling Instructions For trunk calls: 0 78 3920000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 3920000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3920000 ~ 3929999 (Count: 10,000) Example: +63-78-3920000 / 0063-78-3920000 (078-3920000 / 0-78-3920000) +63-78-3920001 / 0063-78-3920001 (078-3920001 / 0-78-3920001) +63-78-3920002 / 0063-78-3920002 (078-3920002 / 0-78-3920002) +63-78-3920003 / 0063-78-3920003 (078-3920003 / 0-78-3920003) +63-78-3920004 / 0063-78-3920004 (078-3920004 / 0-78-3920004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-3929995 / 0063-78-3929995 (078-3929995 / 0-78-3929995) +63-78-3929996 / 0063-78-3929996 (078-3929996 / 0-78-3929996) +63-78-3929997 / 0063-78-3929997 (078-3929997 / 0-78-3929997) +63-78-3929998 / 0063-78-3929998 (078-3929998 / 0-78-3929998) +63-78-3929999 / 0063-78-3929999 (078-3929999 / 0-78-3929999)