Area Code +63-78-(4100000...4109999) located in Tuao, 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 : 4100000 Subscriber Number To : 4109999 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 : Innove Communications Inc 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 : Tuao Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.7000 Longitude : 121.5000 ‹ previous : +63-78-(4090000...4099999) next › : +63-78-(4110000...4119999) Dialling Instructions For trunk calls: 0 78 4100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 4100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4100000 ~ 4109999 (Count: 10,000) Example: +63-78-4100000 / 0063-78-4100000 (078-4100000 / 0-78-4100000) +63-78-4100001 / 0063-78-4100001 (078-4100001 / 0-78-4100001) +63-78-4100002 / 0063-78-4100002 (078-4100002 / 0-78-4100002) +63-78-4100003 / 0063-78-4100003 (078-4100003 / 0-78-4100003) +63-78-4100004 / 0063-78-4100004 (078-4100004 / 0-78-4100004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-4109995 / 0063-78-4109995 (078-4109995 / 0-78-4109995) +63-78-4109996 / 0063-78-4109996 (078-4109996 / 0-78-4109996) +63-78-4109997 / 0063-78-4109997 (078-4109997 / 0-78-4109997) +63-78-4109998 / 0063-78-4109998 (078-4109998 / 0-78-4109998) +63-78-4109999 / 0063-78-4109999 (078-4109999 / 0-78-4109999)