Area Code +63-78-(8780000...8789999) located in Cabagan, 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 : 8780000 Subscriber Number To : 8789999 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 : Cabagan Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.4300 Longitude : 121.7700 ‹ previous : +63-78-(8700000...8709999) next › : +63-78-(8804000...8804999) Dialling Instructions For trunk calls: 0 78 8780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8780000 ~ 8789999 (Count: 10,000) Example: +63-78-8780000 / 0063-78-8780000 (078-8780000 / 0-78-8780000) +63-78-8780001 / 0063-78-8780001 (078-8780001 / 0-78-8780001) +63-78-8780002 / 0063-78-8780002 (078-8780002 / 0-78-8780002) +63-78-8780003 / 0063-78-8780003 (078-8780003 / 0-78-8780003) +63-78-8780004 / 0063-78-8780004 (078-8780004 / 0-78-8780004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8789995 / 0063-78-8789995 (078-8789995 / 0-78-8789995) +63-78-8789996 / 0063-78-8789996 (078-8789996 / 0-78-8789996) +63-78-8789997 / 0063-78-8789997 (078-8789997 / 0-78-8789997) +63-78-8789998 / 0063-78-8789998 (078-8789998 / 0-78-8789998) +63-78-8789999 / 0063-78-8789999 (078-8789999 / 0-78-8789999)