Area Code +63-78-(8660000...8669999) located in Claveria, 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 : 8660000 Subscriber Number To : 8669999 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 : Claveria Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 18.6000 Longitude : 121.0900 ‹ previous : +63-78-(8647500...8647599) next › : +63-78-(8700000...8709999) Dialling Instructions For trunk calls: 0 78 8660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8660000 ~ 8669999 (Count: 10,000) Example: +63-78-8660000 / 0063-78-8660000 (078-8660000 / 0-78-8660000) +63-78-8660001 / 0063-78-8660001 (078-8660001 / 0-78-8660001) +63-78-8660002 / 0063-78-8660002 (078-8660002 / 0-78-8660002) +63-78-8660003 / 0063-78-8660003 (078-8660003 / 0-78-8660003) +63-78-8660004 / 0063-78-8660004 (078-8660004 / 0-78-8660004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8669995 / 0063-78-8669995 (078-8669995 / 0-78-8669995) +63-78-8669996 / 0063-78-8669996 (078-8669996 / 0-78-8669996) +63-78-8669997 / 0063-78-8669997 (078-8669997 / 0-78-8669997) +63-78-8669998 / 0063-78-8669998 (078-8669998 / 0-78-8669998) +63-78-8669999 / 0063-78-8669999 (078-8669999 / 0-78-8669999)