Area Code +63-77-(2500000...2509999) located in Vigan City, 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 : 2500000 Subscriber Number To : 2509999 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 : Vigan City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.5700 Longitude : 120.3900 ‹ previous : +63-77-(2490000...2499999) next › : +63-77-(2510000...2519999) Dialling Instructions For trunk calls: 0 77 2500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 2500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2500000 ~ 2509999 (Count: 10,000) Example: +63-77-2500000 / 0063-77-2500000 (077-2500000 / 0-77-2500000) +63-77-2500001 / 0063-77-2500001 (077-2500001 / 0-77-2500001) +63-77-2500002 / 0063-77-2500002 (077-2500002 / 0-77-2500002) +63-77-2500003 / 0063-77-2500003 (077-2500003 / 0-77-2500003) +63-77-2500004 / 0063-77-2500004 (077-2500004 / 0-77-2500004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-2509995 / 0063-77-2509995 (077-2509995 / 0-77-2509995) +63-77-2509996 / 0063-77-2509996 (077-2509996 / 0-77-2509996) +63-77-2509997 / 0063-77-2509997 (077-2509997 / 0-77-2509997) +63-77-2509998 / 0063-77-2509998 (077-2509998 / 0-77-2509998) +63-77-2509999 / 0063-77-2509999 (077-2509999 / 0-77-2509999)