Area Code +63-78-(6720000...6729999) 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 : 6720000 Subscriber Number To : 6729999 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-(6649000...6649999) next › : +63-78-(6820000...6829999) Dialling Instructions For trunk calls: 0 78 6720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 6720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6720000 ~ 6729999 (Count: 10,000) Example: +63-78-6720000 / 0063-78-6720000 (078-6720000 / 0-78-6720000) +63-78-6720001 / 0063-78-6720001 (078-6720001 / 0-78-6720001) +63-78-6720002 / 0063-78-6720002 (078-6720002 / 0-78-6720002) +63-78-6720003 / 0063-78-6720003 (078-6720003 / 0-78-6720003) +63-78-6720004 / 0063-78-6720004 (078-6720004 / 0-78-6720004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-6729995 / 0063-78-6729995 (078-6729995 / 0-78-6729995) +63-78-6729996 / 0063-78-6729996 (078-6729996 / 0-78-6729996) +63-78-6729997 / 0063-78-6729997 (078-6729997 / 0-78-6729997) +63-78-6729998 / 0063-78-6729998 (078-6729998 / 0-78-6729998) +63-78-6729999 / 0063-78-6729999 (078-6729999 / 0-78-6729999)