Area Code +63-78-(2630000...2639999) located in San Mariano, Isabela (ISA), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 2630000 Subscriber Number To : 2639999 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 : ISA Region Name : Isabela City : San Mariano Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.9800 Longitude : 122.0200 ‹ previous : +63-78-(2620000...2629999) next › : +63-78-(2640000...2649999) Dialling Instructions For trunk calls: 0 78 2630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 2630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2630000 ~ 2639999 (Count: 10,000) Example: +63-78-2630000 / 0063-78-2630000 (078-2630000 / 0-78-2630000) +63-78-2630001 / 0063-78-2630001 (078-2630001 / 0-78-2630001) +63-78-2630002 / 0063-78-2630002 (078-2630002 / 0-78-2630002) +63-78-2630003 / 0063-78-2630003 (078-2630003 / 0-78-2630003) +63-78-2630004 / 0063-78-2630004 (078-2630004 / 0-78-2630004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-2639995 / 0063-78-2639995 (078-2639995 / 0-78-2639995) +63-78-2639996 / 0063-78-2639996 (078-2639996 / 0-78-2639996) +63-78-2639997 / 0063-78-2639997 (078-2639997 / 0-78-2639997) +63-78-2639998 / 0063-78-2639998 (078-2639998 / 0-78-2639998) +63-78-2639999 / 0063-78-2639999 (078-2639999 / 0-78-2639999)