Area Code +63-77-(6170000...6179999) located in Batac 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 : 6170000 Subscriber Number To : 6179999 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 : Batac City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 18.0500 Longitude : 120.5900 ‹ previous : +63-77-(6140000...6149999) next › : +63-77-(6180000...6189999) Dialling Instructions For trunk calls: 0 77 6170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 6170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6170000 ~ 6179999 (Count: 10,000) Example: +63-77-6170000 / 0063-77-6170000 (077-6170000 / 0-77-6170000) +63-77-6170001 / 0063-77-6170001 (077-6170001 / 0-77-6170001) +63-77-6170002 / 0063-77-6170002 (077-6170002 / 0-77-6170002) +63-77-6170003 / 0063-77-6170003 (077-6170003 / 0-77-6170003) +63-77-6170004 / 0063-77-6170004 (077-6170004 / 0-77-6170004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-6179995 / 0063-77-6179995 (077-6179995 / 0-77-6179995) +63-77-6179996 / 0063-77-6179996 (077-6179996 / 0-77-6179996) +63-77-6179997 / 0063-77-6179997 (077-6179997 / 0-77-6179997) +63-77-6179998 / 0063-77-6179998 (077-6179998 / 0-77-6179998) +63-77-6179999 / 0063-77-6179999 (077-6179999 / 0-77-6179999)