Area Code +63-77-(2550000...2559999) located in Santiago, Ilocos Sur (ILS), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 2550000 Subscriber Number To : 2559999 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 : Innove Communications Inc Click here to buy Philippines Area Code Database Other Information Language Code : en (English) Country Number : 608 (Philippines) Country Code : PH (Philippines) Region Code : ILS Region Name : Ilocos Sur City : Santiago Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.3000 Longitude : 120.4500 ‹ previous : +63-77-(2540000...2549999) next › : +63-77-(2560000...2569999) Dialling Instructions For trunk calls: 0 77 2550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 2550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2550000 ~ 2559999 (Count: 10,000) Example: +63-77-2550000 / 0063-77-2550000 (077-2550000 / 0-77-2550000) +63-77-2550001 / 0063-77-2550001 (077-2550001 / 0-77-2550001) +63-77-2550002 / 0063-77-2550002 (077-2550002 / 0-77-2550002) +63-77-2550003 / 0063-77-2550003 (077-2550003 / 0-77-2550003) +63-77-2550004 / 0063-77-2550004 (077-2550004 / 0-77-2550004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-2559995 / 0063-77-2559995 (077-2559995 / 0-77-2559995) +63-77-2559996 / 0063-77-2559996 (077-2559996 / 0-77-2559996) +63-77-2559997 / 0063-77-2559997 (077-2559997 / 0-77-2559997) +63-77-2559998 / 0063-77-2559998 (077-2559998 / 0-77-2559998) +63-77-2559999 / 0063-77-2559999 (077-2559999 / 0-77-2559999)