Area Code +63-78-(8320000...8329999) located in Echague, 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 : 8320000 Subscriber Number To : 8329999 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 : Echague Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.6700 Longitude : 121.7200 ‹ previous : +63-78-(8310000...8319999) next › : +63-78-(8330000...8339999) Dialling Instructions For trunk calls: 0 78 8320000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8320000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8320000 ~ 8329999 (Count: 10,000) Example: +63-78-8320000 / 0063-78-8320000 (078-8320000 / 0-78-8320000) +63-78-8320001 / 0063-78-8320001 (078-8320001 / 0-78-8320001) +63-78-8320002 / 0063-78-8320002 (078-8320002 / 0-78-8320002) +63-78-8320003 / 0063-78-8320003 (078-8320003 / 0-78-8320003) +63-78-8320004 / 0063-78-8320004 (078-8320004 / 0-78-8320004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8329995 / 0063-78-8329995 (078-8329995 / 0-78-8329995) +63-78-8329996 / 0063-78-8329996 (078-8329996 / 0-78-8329996) +63-78-8329997 / 0063-78-8329997 (078-8329997 / 0-78-8329997) +63-78-8329998 / 0063-78-8329998 (078-8329998 / 0-78-8329998) +63-78-8329999 / 0063-78-8329999 (078-8329999 / 0-78-8329999)