Area Code +63-78-(4200000...4209999) located in Santiago 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 : 4200000 Subscriber Number To : 4209999 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 : Innove Communications Inc 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 : Santiago City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.7100 Longitude : 121.5500 ‹ previous : +63-78-(4190000...4199999) next › : +63-78-(4210000...4219999) Dialling Instructions For trunk calls: 0 78 4200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 4200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4200000 ~ 4209999 (Count: 10,000) Example: +63-78-4200000 / 0063-78-4200000 (078-4200000 / 0-78-4200000) +63-78-4200001 / 0063-78-4200001 (078-4200001 / 0-78-4200001) +63-78-4200002 / 0063-78-4200002 (078-4200002 / 0-78-4200002) +63-78-4200003 / 0063-78-4200003 (078-4200003 / 0-78-4200003) +63-78-4200004 / 0063-78-4200004 (078-4200004 / 0-78-4200004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-4209995 / 0063-78-4209995 (078-4209995 / 0-78-4209995) +63-78-4209996 / 0063-78-4209996 (078-4209996 / 0-78-4209996) +63-78-4209997 / 0063-78-4209997 (078-4209997 / 0-78-4209997) +63-78-4209998 / 0063-78-4209998 (078-4209998 / 0-78-4209998) +63-78-4209999 / 0063-78-4209999 (078-4209999 / 0-78-4209999)