Area Code +63-77-(7810000...7819999) located in San Nicolas, 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 : 7810000 Subscriber Number To : 7819999 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 : San Nicolas Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 18.1700 Longitude : 120.6000 ‹ previous : +63-77-(7790000...7799999) next › : +63-77-(7820000...7829999) Dialling Instructions For trunk calls: 0 77 7810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7810000 ~ 7819999 (Count: 10,000) Example: +63-77-7810000 / 0063-77-7810000 (077-7810000 / 0-77-7810000) +63-77-7810001 / 0063-77-7810001 (077-7810001 / 0-77-7810001) +63-77-7810002 / 0063-77-7810002 (077-7810002 / 0-77-7810002) +63-77-7810003 / 0063-77-7810003 (077-7810003 / 0-77-7810003) +63-77-7810004 / 0063-77-7810004 (077-7810004 / 0-77-7810004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7819995 / 0063-77-7819995 (077-7819995 / 0-77-7819995) +63-77-7819996 / 0063-77-7819996 (077-7819996 / 0-77-7819996) +63-77-7819997 / 0063-77-7819997 (077-7819997 / 0-77-7819997) +63-77-7819998 / 0063-77-7819998 (077-7819998 / 0-77-7819998) +63-77-7819999 / 0063-77-7819999 (077-7819999 / 0-77-7819999)