Area Code +63-78-(5010000...5019999) 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 : 5010000 Subscriber Number To : 5019999 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 : TeleTech Philippines 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-(5000000...5009999) next › : +63-78-(5020000...5029999) Dialling Instructions For trunk calls: 0 78 5010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 5010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5010000 ~ 5019999 (Count: 10,000) Example: +63-78-5010000 / 0063-78-5010000 (078-5010000 / 0-78-5010000) +63-78-5010001 / 0063-78-5010001 (078-5010001 / 0-78-5010001) +63-78-5010002 / 0063-78-5010002 (078-5010002 / 0-78-5010002) +63-78-5010003 / 0063-78-5010003 (078-5010003 / 0-78-5010003) +63-78-5010004 / 0063-78-5010004 (078-5010004 / 0-78-5010004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-5019995 / 0063-78-5019995 (078-5019995 / 0-78-5019995) +63-78-5019996 / 0063-78-5019996 (078-5019996 / 0-78-5019996) +63-78-5019997 / 0063-78-5019997 (078-5019997 / 0-78-5019997) +63-78-5019998 / 0063-78-5019998 (078-5019998 / 0-78-5019998) +63-78-5019999 / 0063-78-5019999 (078-5019999 / 0-78-5019999)