Area Code +63-77-(6320000...6329999) 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 : 6320000 Subscriber Number To : 6329999 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 : 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-(6280000...6289999) next › : +63-77-(6374000...6374999) Dialling Instructions For trunk calls: 0 77 6320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 6320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6320000 ~ 6329999 (Count: 10,000) Example: +63-77-6320000 / 0063-77-6320000 (077-6320000 / 0-77-6320000) +63-77-6320001 / 0063-77-6320001 (077-6320001 / 0-77-6320001) +63-77-6320002 / 0063-77-6320002 (077-6320002 / 0-77-6320002) +63-77-6320003 / 0063-77-6320003 (077-6320003 / 0-77-6320003) +63-77-6320004 / 0063-77-6320004 (077-6320004 / 0-77-6320004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-6329995 / 0063-77-6329995 (077-6329995 / 0-77-6329995) +63-77-6329996 / 0063-77-6329996 (077-6329996 / 0-77-6329996) +63-77-6329997 / 0063-77-6329997 (077-6329997 / 0-77-6329997) +63-77-6329998 / 0063-77-6329998 (077-6329998 / 0-77-6329998) +63-77-6329999 / 0063-77-6329999 (077-6329999 / 0-77-6329999)