Area Code +63-77-(7750000...7759999) 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 : 7750000 Subscriber Number To : 7759999 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-(7740000...7749999) next › : +63-77-(7760000...7769999) Dialling Instructions For trunk calls: 0 77 7750000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7750000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7750000 ~ 7759999 (Count: 10,000) Example: +63-77-7750000 / 0063-77-7750000 (077-7750000 / 0-77-7750000) +63-77-7750001 / 0063-77-7750001 (077-7750001 / 0-77-7750001) +63-77-7750002 / 0063-77-7750002 (077-7750002 / 0-77-7750002) +63-77-7750003 / 0063-77-7750003 (077-7750003 / 0-77-7750003) +63-77-7750004 / 0063-77-7750004 (077-7750004 / 0-77-7750004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7759995 / 0063-77-7759995 (077-7759995 / 0-77-7759995) +63-77-7759996 / 0063-77-7759996 (077-7759996 / 0-77-7759996) +63-77-7759997 / 0063-77-7759997 (077-7759997 / 0-77-7759997) +63-77-7759998 / 0063-77-7759998 (077-7759998 / 0-77-7759998) +63-77-7759999 / 0063-77-7759999 (077-7759999 / 0-77-7759999)