Area Code +63-78-(6620000...6629999) located in Alicia, 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 : 6620000 Subscriber Number To : 6629999 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 : Alicia Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.7800 Longitude : 121.7000 ‹ previous : +63-78-(6547000...6547999) next › : +63-78-(6648000...6648999) Dialling Instructions For trunk calls: 0 78 6620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 6620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6620000 ~ 6629999 (Count: 10,000) Example: +63-78-6620000 / 0063-78-6620000 (078-6620000 / 0-78-6620000) +63-78-6620001 / 0063-78-6620001 (078-6620001 / 0-78-6620001) +63-78-6620002 / 0063-78-6620002 (078-6620002 / 0-78-6620002) +63-78-6620003 / 0063-78-6620003 (078-6620003 / 0-78-6620003) +63-78-6620004 / 0063-78-6620004 (078-6620004 / 0-78-6620004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-6629995 / 0063-78-6629995 (078-6629995 / 0-78-6629995) +63-78-6629996 / 0063-78-6629996 (078-6629996 / 0-78-6629996) +63-78-6629997 / 0063-78-6629997 (078-6629997 / 0-78-6629997) +63-78-6629998 / 0063-78-6629998 (078-6629998 / 0-78-6629998) +63-78-6629999 / 0063-78-6629999 (078-6629999 / 0-78-6629999)