Area Code +63-77-(0000000...9999999) located in Batac, Ilocos Norte, more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 0000000 Subscriber Number To : 9999999 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 - PLDT Click here to buy Philippines Area Code Database Other Information Language Code : en (English) Country Number : 608 (Philippines) Country Code : PH (Philippines) Region Name : Ilocos Norte City : Batac Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 18.0500 Longitude : 120.5700 ‹ previous : +63-75-(0000000...9999999) next › : +63-78-(0000000...9999999) Dialling Instructions For trunk calls: 0 77 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +63-77-0000000 / 0063-77-0000000 (077-0000000 / 0-77-0000000) +63-77-0000001 / 0063-77-0000001 (077-0000001 / 0-77-0000001) +63-77-0000002 / 0063-77-0000002 (077-0000002 / 0-77-0000002) +63-77-0000003 / 0063-77-0000003 (077-0000003 / 0-77-0000003) +63-77-0000004 / 0063-77-0000004 (077-0000004 / 0-77-0000004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-9999995 / 0063-77-9999995 (077-9999995 / 0-77-9999995) +63-77-9999996 / 0063-77-9999996 (077-9999996 / 0-77-9999996) +63-77-9999997 / 0063-77-9999997 (077-9999997 / 0-77-9999997) +63-77-9999998 / 0063-77-9999998 (077-9999998 / 0-77-9999998) +63-77-9999999 / 0063-77-9999999 (077-9999999 / 0-77-9999999)