Area Code +63-77-(7700000...7709999) 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 : 7700000 Subscriber Number To : 7709999 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-(7661000...7661999) next › : +63-77-(7710000...7719999) Dialling Instructions For trunk calls: 0 77 7700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7700000 ~ 7709999 (Count: 10,000) Example: +63-77-7700000 / 0063-77-7700000 (077-7700000 / 0-77-7700000) +63-77-7700001 / 0063-77-7700001 (077-7700001 / 0-77-7700001) +63-77-7700002 / 0063-77-7700002 (077-7700002 / 0-77-7700002) +63-77-7700003 / 0063-77-7700003 (077-7700003 / 0-77-7700003) +63-77-7700004 / 0063-77-7700004 (077-7700004 / 0-77-7700004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7709995 / 0063-77-7709995 (077-7709995 / 0-77-7709995) +63-77-7709996 / 0063-77-7709996 (077-7709996 / 0-77-7709996) +63-77-7709997 / 0063-77-7709997 (077-7709997 / 0-77-7709997) +63-77-7709998 / 0063-77-7709998 (077-7709998 / 0-77-7709998) +63-77-7709999 / 0063-77-7709999 (077-7709999 / 0-77-7709999)