Area Code +63-77-(7740000...7749999) 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 : 7740000 Subscriber Number To : 7749999 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-(7730000...7739999) next › : +63-77-(7750000...7759999) Dialling Instructions For trunk calls: 0 77 7740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7740000 ~ 7749999 (Count: 10,000) Example: +63-77-7740000 / 0063-77-7740000 (077-7740000 / 0-77-7740000) +63-77-7740001 / 0063-77-7740001 (077-7740001 / 0-77-7740001) +63-77-7740002 / 0063-77-7740002 (077-7740002 / 0-77-7740002) +63-77-7740003 / 0063-77-7740003 (077-7740003 / 0-77-7740003) +63-77-7740004 / 0063-77-7740004 (077-7740004 / 0-77-7740004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7749995 / 0063-77-7749995 (077-7749995 / 0-77-7749995) +63-77-7749996 / 0063-77-7749996 (077-7749996 / 0-77-7749996) +63-77-7749997 / 0063-77-7749997 (077-7749997 / 0-77-7749997) +63-77-7749998 / 0063-77-7749998 (077-7749998 / 0-77-7749998) +63-77-7749999 / 0063-77-7749999 (077-7749999 / 0-77-7749999)