Area Code +63-77-(6720000...6729999) 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 : 6720000 Subscriber Number To : 6729999 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-(6700000...6709999) next › : +63-77-(6730000...6739999) Dialling Instructions For trunk calls: 0 77 6720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 6720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6720000 ~ 6729999 (Count: 10,000) Example: +63-77-6720000 / 0063-77-6720000 (077-6720000 / 0-77-6720000) +63-77-6720001 / 0063-77-6720001 (077-6720001 / 0-77-6720001) +63-77-6720002 / 0063-77-6720002 (077-6720002 / 0-77-6720002) +63-77-6720003 / 0063-77-6720003 (077-6720003 / 0-77-6720003) +63-77-6720004 / 0063-77-6720004 (077-6720004 / 0-77-6720004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-6729995 / 0063-77-6729995 (077-6729995 / 0-77-6729995) +63-77-6729996 / 0063-77-6729996 (077-6729996 / 0-77-6729996) +63-77-6729997 / 0063-77-6729997 (077-6729997 / 0-77-6729997) +63-77-6729998 / 0063-77-6729998 (077-6729998 / 0-77-6729998) +63-77-6729999 / 0063-77-6729999 (077-6729999 / 0-77-6729999)