Area Code +63-77-(6700000...6709999) located in Laoag City, Ilocos Norte (ILN), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 6700000 Subscriber Number To : 6709999 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 : ILN Region Name : Ilocos Norte City : Laoag City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 18.2000 Longitude : 120.5900 ‹ previous : +63-77-(6580000...6589999) next › : +63-77-(6720000...6729999) Dialling Instructions For trunk calls: 0 77 6700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 6700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6700000 ~ 6709999 (Count: 10,000) Example: +63-77-6700000 / 0063-77-6700000 (077-6700000 / 0-77-6700000) +63-77-6700001 / 0063-77-6700001 (077-6700001 / 0-77-6700001) +63-77-6700002 / 0063-77-6700002 (077-6700002 / 0-77-6700002) +63-77-6700003 / 0063-77-6700003 (077-6700003 / 0-77-6700003) +63-77-6700004 / 0063-77-6700004 (077-6700004 / 0-77-6700004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-6709995 / 0063-77-6709995 (077-6709995 / 0-77-6709995) +63-77-6709996 / 0063-77-6709996 (077-6709996 / 0-77-6709996) +63-77-6709997 / 0063-77-6709997 (077-6709997 / 0-77-6709997) +63-77-6709998 / 0063-77-6709998 (077-6709998 / 0-77-6709998) +63-77-6709999 / 0063-77-6709999 (077-6709999 / 0-77-6709999)