Area Code +63-78-(8812000...8812999) located in Cauayan City, 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 : 8812000 Subscriber Number To : 8812999 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 : ISA Region Name : Isabela City : Cauayan City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.9300 Longitude : 121.7700 ‹ previous : +63-78-(8811000...8811999) next › : +63-78-(8814000...8814999) Dialling Instructions For trunk calls: 0 78 8812000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8812000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8812000 ~ 8812999 (Count: 1,000) Example: +63-78-8812000 / 0063-78-8812000 (078-8812000 / 0-78-8812000) +63-78-8812001 / 0063-78-8812001 (078-8812001 / 0-78-8812001) +63-78-8812002 / 0063-78-8812002 (078-8812002 / 0-78-8812002) +63-78-8812003 / 0063-78-8812003 (078-8812003 / 0-78-8812003) +63-78-8812004 / 0063-78-8812004 (078-8812004 / 0-78-8812004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8812995 / 0063-78-8812995 (078-8812995 / 0-78-8812995) +63-78-8812996 / 0063-78-8812996 (078-8812996 / 0-78-8812996) +63-78-8812997 / 0063-78-8812997 (078-8812997 / 0-78-8812997) +63-78-8812998 / 0063-78-8812998 (078-8812998 / 0-78-8812998) +63-78-8812999 / 0063-78-8812999 (078-8812999 / 0-78-8812999)