Area Code +63-78-(3160000...3169999) located in Tuguegarao, Cagayan (CAG), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 3160000 Subscriber Number To : 3169999 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 : CAG Region Name : Cagayan City : Tuguegarao Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.6100 Longitude : 121.7300 ‹ previous : +63-78-(3150000...3159999) next › : +63-78-(3170000...3179999) Dialling Instructions For trunk calls: 0 78 3160000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 3160000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3160000 ~ 3169999 (Count: 10,000) Example: +63-78-3160000 / 0063-78-3160000 (078-3160000 / 0-78-3160000) +63-78-3160001 / 0063-78-3160001 (078-3160001 / 0-78-3160001) +63-78-3160002 / 0063-78-3160002 (078-3160002 / 0-78-3160002) +63-78-3160003 / 0063-78-3160003 (078-3160003 / 0-78-3160003) +63-78-3160004 / 0063-78-3160004 (078-3160004 / 0-78-3160004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-3169995 / 0063-78-3169995 (078-3169995 / 0-78-3169995) +63-78-3169996 / 0063-78-3169996 (078-3169996 / 0-78-3169996) +63-78-3169997 / 0063-78-3169997 (078-3169997 / 0-78-3169997) +63-78-3169998 / 0063-78-3169998 (078-3169998 / 0-78-3169998) +63-78-3169999 / 0063-78-3169999 (078-3169999 / 0-78-3169999)