Area Code +63-78-(6541000...6541999) located in Reina Mercedes, 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 : 6541000 Subscriber Number To : 6541999 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 : Reina Mercedes Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.9800 Longitude : 121.7800 ‹ previous : +63-78-(6520000...6529999) next › : +63-78-(6543000...6543999) Dialling Instructions For trunk calls: 0 78 6541000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 6541000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6541000 ~ 6541999 (Count: 1,000) Example: +63-78-6541000 / 0063-78-6541000 (078-6541000 / 0-78-6541000) +63-78-6541001 / 0063-78-6541001 (078-6541001 / 0-78-6541001) +63-78-6541002 / 0063-78-6541002 (078-6541002 / 0-78-6541002) +63-78-6541003 / 0063-78-6541003 (078-6541003 / 0-78-6541003) +63-78-6541004 / 0063-78-6541004 (078-6541004 / 0-78-6541004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-6541995 / 0063-78-6541995 (078-6541995 / 0-78-6541995) +63-78-6541996 / 0063-78-6541996 (078-6541996 / 0-78-6541996) +63-78-6541997 / 0063-78-6541997 (078-6541997 / 0-78-6541997) +63-78-6541998 / 0063-78-6541998 (078-6541998 / 0-78-6541998) +63-78-6541999 / 0063-78-6541999 (078-6541999 / 0-78-6541999)