Area Code +63-77-(7778000...7778999) 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 : 7778000 Subscriber Number To : 7778999 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-(7775000...7775999) next › : +63-77-(7779000...7779999) Dialling Instructions For trunk calls: 0 77 7778000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7778000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7778000 ~ 7778999 (Count: 1,000) Example: +63-77-7778000 / 0063-77-7778000 (077-7778000 / 0-77-7778000) +63-77-7778001 / 0063-77-7778001 (077-7778001 / 0-77-7778001) +63-77-7778002 / 0063-77-7778002 (077-7778002 / 0-77-7778002) +63-77-7778003 / 0063-77-7778003 (077-7778003 / 0-77-7778003) +63-77-7778004 / 0063-77-7778004 (077-7778004 / 0-77-7778004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7778995 / 0063-77-7778995 (077-7778995 / 0-77-7778995) +63-77-7778996 / 0063-77-7778996 (077-7778996 / 0-77-7778996) +63-77-7778997 / 0063-77-7778997 (077-7778997 / 0-77-7778997) +63-77-7778998 / 0063-77-7778998 (077-7778998 / 0-77-7778998) +63-77-7778999 / 0063-77-7778999 (077-7778999 / 0-77-7778999)